Any internationally famous rock bands such as Bon Jovi, Pearl Jam, Candlebox whatever...

Dave Matthews (6 times)
Pearl Jam
Live (3 times)
Stone Temple Pilots
Janes Addiction
Lynard Skynard (sp?)
Eve 6
Cypress Hill
Everclear
Staind
Fuel

Too many too list but most notable...

Page/Plant in LA 95
Poison/Cinderella/Winger/Faster Pussycat Toronto 2002
Skynyrd/Frampton/Foreigner/Benetar... (2 day festival)
Bon Jovi (92 and 95)
Chilliwack (my 1st concert)
Helix (85 or 86)
Def Lep w/ Meat Loaf,April Wine,Ugly Kid Joe and Sven Gali
Bryan Adams w/Steve Miller,Sass Jordan and Extreme

Here's a few:

Jesus Lizard
BUtthole Surfers
Dead Milkmen
Redman
WC
Lost Boyz
112
Melvins
Nirvana
RHCP
Dayglo Abortions
Fugazi
Furnace Face
Whoriddas
Luniz
RBL Posse
Vontel
Everlast
Nikka Costa
Xzibit
Alkaholiks
Upchuks
Skin Barn
Ramones
Mona Lisa Overdrive
Snoop
Bad Religion
Tool
and the list goes on.

I've been to tons of shows...no way I could ever estimate. Here are some of the bigger bands I've seen though...

Phish (many, many times)
Wilco
Jon Spencer Blues Explosion
Nine Inch Nails
String Cheese Incident
Widespread Panic
moe.
R.E.M.
Pearl Jam
Bob Dylan
Paul Simon
Kiss
Medeski Martin & Wood
Karl Denson's Tiny Universe
DJ Shadow
Galactic
Particle
Tool
The Beastie Boys
The Old 97's
Slobberbone
The Gourds
The Roots
Los Lobos
Spearhead
Smashing Pumpkins
Everclear
Snoop Dogg
Wu-Tang Clan
Rage Against the Machine

...and many, many more...

Off the top of the mind and in somewhat alphabetical order:

3D's+
Andrew WK
Archers of Loaf
Art of Noise
Ash
Asian Dub Foundation*
Bjorn Again
Badly Drawn Boy
Boo Radleys
Black Box Recorder*
Blur
Banco De Gaia*
Catatonia*
Coldplay
Curve
Cure*
Depeche Mode
Divine Comedy
Dodgy*
Doves
Dubstar
Elastica
Embrace*
Erasure
Eurhythmics
Fatboy Slim
Flaming Lips
Foo Fighters
Fugazi
Garbage
G. Love and the Special Sauce
Guided By Voices
Hefner
Hole
Ice-T*
Indigo Girls
INXS
Idlewild*
Janet Jackson
James
Kula Shaker
Lemonheads
Les Rhythm Digitales*
Longwave
Luna
Manic Street Preachers*
Mansun
Dave Matthews
Mint Royale*
Moby
Morphine
Muse
My Life Story*
NOFX
Ocean Blue
Orchestral Manuevers in the Dark+
Orbital
Oasis
Pavement
Pink Floyd
Placebo
Pulp
Queens of the Stone Age*
Radiohead
Rancid
Reef
R.E.M
Screaming Trees*
Seahorses+
Smashing Pumpkins*
Space
Stereo MC's*
Stereophonics
Stone Roses*
String Cheese Incident
Suede (London)*
Supersuckers
Super Furry Animals
Symposium*
System 7
Teenage Fanclub
Tool*
The The
They Might Be Giants
Travis
Tripping Daisy
U2 (at Wembley Arena )
Uncle Tupelo
Underworld
X-Cops
Zwan*

* denotes Music Festival set.
+ denotes support act

... and many others.

Many a concert...but some of the better known ones I've been to are:

- Smashing Pumpkins/Garbage (Mellon Collie and the Infinite Sadness tour)
- Interpol
- Sigur Ros

I'm sure there are other well-known ones, but I'm drawing blanks. Maybe later.

Alright, here's some more...

Pavement (ashamed that I forgot this one) (3x)
Guster (also ashamed I forgot them) (3x)
The Disco Biscuits (5x)
Dave Matthews Band (2x)
Rusted Root
Toad the Wet Sprocket
G. Love and Special Sauce (3x)
The Dark Star Orchestra (2x)
Foo Fighters
Live (3x)
Lemonheads
Buffalo Tom
Alex Chilton
Mr. T Experience (3x)
Moby
Social Distortion
Rob Wasserman
The Jazz Mandolin Project
The Dirty Dozen Brass Band (2x)
The Lo Fidelity Allstars
Moore and More
Garage a Trois
Violent Femmes (2x)
Soul Coughing
Jane's Addiction
Neil Diamond (3x)

Here's all of the well-known bands that I've seen (that I can remember):

Pixies
Johnette Napolitano (3)
Concrete Blonde (8)
Jane's Addiction
Cure (2)
R.E.M.
Godspeed You! Black Emperor (2)
Black Rebel Motorcycle Club (3)
Violent Femmes (5)
Peter Murphy (2)
Bauhaus
Love and Rockets
Sisters of Mercy
Spiritualized (6)
Toad the Wet Sprocket
The Church
Doves (2)
Elbow
James
Live
Beastie Boys
Everclear
Soul Coughing
B-52s
They Might Be Giants (2)
Tenacious D (2)
Weezer

I've been attending concerts regularly for 20 years now - there is no way I can come up with a list.

But my first concert was The Cure, back in '83, and my last one was Tenacious D a couple months ago, and my next one is Foo Fighters in a couple weeks.

How did I forget Godspeed You! Black Emperor?!?? Jeez, that was the last concert I went to...

Some of these were opening acts, but

Queen (twice)
Thin Lizzy (opening for Queen)
Eagles (twice--free tix both times)
Roy Orbison (opening for Eagles)
Rolling Stones (twice)
Stray Cats (opening for Stones)
X (four times)
Red Hot Chili Peppers (twice, opening for Stones once, X once)
Circle Jerks
The Blasters
Beck
Sheryl Crow
Joan Baez
The Ramones
Violent Femmes (3 times, at least)
B-52s
R.E.M.
The Who
Blondie
Cowboy Junkies (3 times)
Pink Floyd
Paul Simon, Bruce Springsteen, Lou Reed, Billy Joel, Grace Jones, Debbie Harry, and a bunch of other people at a benefit in NY
The Grateful Dead (twice)
Sonic Youth
Tiny Tim (for one song, then I couldn't take anymore, but opener Brave Combo, was quite cool)

I know there's others, but I can't think of them right now.

Alice Cooper
Foghat
Uriah Heep
ZZ Top
Golden Earring
Ten Years After
The Who
Jethro Tull
Grand Funk
ELP
Pink Floyd
Deep Purple
Allman Brothers
Santana/McLaughlin
Led Zeppelin
Frank Zappa
Ted Nugent
Steve Miller Band
J. Geils Band
UFO
Muddy Waters

all within a 1972-1979 period..those are just the ones I can remember ..there could be more

GWAR -multiple
Dead Milkmen -multiple
Mojo Nixon -multiple
Toad the Wet Sprocket -multiple
Butthole Surfers -multiple
Stone Temple Pilots
Lollapalooza 1 and 2
Jesus and Mary Chain -multiple
Rollins [both band and spoken word, multiple]
Ministry [multiple]
Pop Will Eat Itself [incredible live show]
Toasters [multiple]
Murphy's Law [multiple]
Depeche Mode
Pearl Jam [right before Lollapalooza 1, I worked backstage at that one]
Def Leppard
Inner Circle
Yelloman
Lapdog [members of Toad]
Jello Biafra [spoken word]

Had tix to see Bowie/Nine Inch Nails a while back, but my honeymoon started on the day of the show...

And all the little, one-album-'wonders' that play at little local places
Seven Year Bitch
Silverfish
Compulsion
The Dick Nixons
etc, etc.

Music-wise, I loved Athens, GA. Job/income-wise, it sucked.

I'm sure there's more; I haven't been too much into the music scene the last four, five years, and what I have been listening to, is either very very underground, or stuff from bands no longer extant...Plus Raleigh NC sucks musicwise...all we get here is the college rock crap, which I couldn't stand even when in college....

yeah way too many to list,
I've seen anyone from Rage Against the Machine to Neil Diamond!

very partial list:

Pearl Jam (about 15 times)
Beastie Boys (6x)
U2 (2x)
Neil Young
Phish (7x)
Dave Matthews (4x)
Jane's Addiction (3x)
Rage Against The Machine (5x)
Radiohead (6x)
Barenaked Ladies (4x)
Guster (3x)
RHCP (5x)
almost everyone at Woodstock 94 (had backstage passes so it was easy to get from stage to stage to see EVERYONE playing)
Live (2x)
Lollapalooza (92/93/94/95/96)
Green Day
311
Pink Floyd
Nirvana
Soundgarden
Mighty Mighty Bosstones (3x)
The Who
Garth Brooks
Ben Harper
R.E.M.
Bruce Springsteen
Ministry
Violent Femmes
They Might Be Giants
Metallica
Foo Fighters
Stone Temple Pilots (4x)
Linkin Park
Limp Bizkit
Smashing Pumpkins (4x)
Blur
Bush
Cypress Hill
Korn (2x)
Nine Inch Nails (4x)
Offspring
Staind
Puddle of Mud
Sublime
Tool (3x)
Wu Tang Clan
Weezer (2x)
A Perfect Circle
Cheap Trick
Tribe Called Quest
Blink 182
Blues Traveler
Goldfinger
Goo Goo Dolls
Marilyn Manson
Ice Cube
No Doubt
Primus (3x)
Sonic Youth
Oysterhead
Smashmouth
Ween

That's a partial list atleast!

Way too many to list them all, but here are some (in no particular order):
Wilco (many times)
Braid (many times)
Kerosene 454 (first GREAT show I ever attended)
Fugazi (my favorite band, blown off the stage by openers The Ex)
Jayhawks (lame outdoor event)
Ted Leo (many times)
Man or Astro-Man? (funniest live band I've seen)
Burning Airlines (many times)
Dismemberment Plan (many times)
Waxwings
Archer Prewitt
Sam Prekop
Shiner
Silkworm
Gaunt
Cursive
Elliott Smith (my #1 worst performance, opening for Wilco)

Headliners
Def Leppard (4th time TONIGHT!!!)
Bon Jovi
Pearl Jam
Guns N Roses (2)
Poison (2)
Motley Crue
Robert Plant & Jimmy Page
Styx
Soul Asylum
Huey Lewis & THe News
Richard Marx
David Lee Roth (3)
Sammy Hagar (2)

Openers
Smashing Pumpkins
Less Than Jake
Cheap Trick
Bad Religion
Kansas
Winger
Warrant
Cinderella
Tripping Daisy
Dokken
Our Lady Peace

Festival
Ozzy Osvbourne
Black Sabbath
Pantera
Marilyn Manson
Fear Factory
Kiss
REO Speedwagon
Survivor

Met
Pantera
Anthrax
Styx
Mr Big

the major artists I can think of off the top of my head:
Def Leppard
Tesla
Whitesnake
Great White
Aerosmith
Dokken
Metallica (2x)
Queensryche (2x)
Motley Crue
Warrant
Iron Maiden
Van Halen (2x)
Ozzy Osbourne
Tool (2x)
Dream Theater (2x)
Fates Warning
BB King
U2
Slayer
Testament
Opeth (well, ok, I will see them in May )
Lacuna Coil (w/ Opeth)
Nine Inch Nails
Kiss
Candlebox
Joe Satriani (2x)
Steve Vai
Eric Johnson
Public Enemy
Tomahawk
Meshuggah
Infectious Grooves
Frehley's Comet
Suicidal Tendencies

Added:
Don't know how I forgot these:
Rush (2x)
Primus

The only major concert I have been to is Tool. But for me that is the only concert I really wanted to see, I had been waiting forever to see them live and now I can say I saw them and I can die a happy man . I've also seen some local bands around here at clubs but nobody else major.

KISS (x4) (Revenge, Unplugged, Reunion, Farewell)
Warrant (x12) Best live band!
Great White (x2)
Cinderella (x3)
Bon Jovi
Dokken (x3) (once with each guitarist, George, Reb and Norum)
LA Guns (x2)
Lynch Mob
Trixter
Faster Pussycat (x2)
Faith No More
Kix
Slaughter (x4)
Ace Frehley (x2)
Poison
Jackyl (x2)
American Hi Fi (x3)
SR71
REO Speedwagon (x2)
Injected
Cheap Trick
KC and the Sunshine Band
Kool and the Gang (x2)
The Gap Band
Tesla (x2)
Roxx Gang (x8)
Van Halen
Alice in Chains (Booed off the stage opening for Halen)
Scorpoins (x2)
Ozzy
Dio (x3)
Blue Oyster Cult
Quiet Roit (x2)
Def Leppard
Winger
Extreme (x2)
Tangier
Fight
Judas Priest
Megadeth
Savatage
Misfits
Ratt (x5)
Motley Crue (x3)
Vince Neil (solo) (x2)
Anthrax
Cannible Corpse
Rick Springfield
Siagon Kick (x3)
Deftones
Lit
Butch Walker
Beautiful Creatures
Olender
Tim McGraw
David Allen Coe
Terri Clark
Clay Walker
John Michael Montgomery

Metallica x 7
Sevendust x 6
Our Lady Peace x 2
DMB x 6
Dave Matthews and Tim Reynolds
Wallflowers
Tool x 2
Melissa Etheridge
Blues Traveler
Jonny Lang
BB King x 2
Barenaked Ladies
Staind
Collective Soul x 3
David Gray
Cowboy Mouth
Smashing Pumpkins
A Perfect Circle x 2
Foo Fighters
Jerry Cantrell
Days of the New
Disturbed
Kittie
Mighty Mighty Bosstones
Live
Cranberries x 2 (don't ask)
Nine Inch Nails
Gov't Mule x 4
Creed
Godsmack x 2
Bush
Default
Kenny Wayne Shepherd
ZZ Top
Soundgarden
No Doubt
Drowning Pool
Powerman 5000 x 2
System of a Down
Kid Rock
Korn
Eve 6
Everclear

I'm sure I missed a bunch! It's clear now, that I've spent way too much money on concerts!

Coming Soon
Metallica x 2
Linkin Park x 2
Limp Bizkit x 2
Mudvayne x 2
Deftones x 2
Pearl Jam

Holy ... ! Ive been to a lot of concerts


Judas Priest (X5) Rob Halford (1)
Iron Maiden (X5)
AC/DC (X3)
Metallica (X4, I was at the montreal show where james caught on fire)
Alice Cooper (X5)
Ozzy (X3) Sabbath With Ozzy (1)
Sabbath With Dio (1) Dio (1)
Rob Zombie (1) White Zombie (1)
Aerosmith (X2)
Megadeth (X3)
Rush (1)
Scorpions (1)
Pantera (1)
Skid Row (X3)
Kiss (X8)
Deep Purple (1)
Ted Nugent (X3)
Anthrax (X2)
Motley Crue (1) Vince Neil (1)
Corrosion of Conformity (2)
Jackyl (2)
Def Leppard (1)
Van Halen (X2)

and lots more... but this is taking too much effort.

Stone Temple Pilots (x2)
Days of the New (with original members)
Metallica
Meat Puppets
Fishbone
Red Hot Chili Peppers
Cracker
Cheap Trick
Flogging Molly (x2)
Roger Waters
Collective Soul
Chubby Checker!

I'd go to more if they weren't so damn expensive. Ticketmaster has destroyed the fun of concertgoing.

Here's my rad list:

Angel Dust
Arch Enemy

Berzerker, The
Black Label Society x2

Cannibal Corpse x2
Cephalic Carnage x2

Dark Funeral
December
Deeds Of Flesh
Deicide
Destruction
Disturbed
Down

Goatwhore
God Forbid x2
Godsmack
GWAR

Hate Eternal

Incantation
Immolation
Imperiled Earth (rip)
In Flames

Jackyl

Killswitch Engage
Kittie
KMFDM
Kreator

Macabre
MegadetH
Meshuggah
M.O.D.
Morbid Angel
Motive x2

Nashville *****
Nevermore x2
Nile

Opeth x2
Origin
Ozzy Osbourne

PanterA x3
Paradise Lost
Pissing Razors

Savatage
Sentenced
Skinlab
Slayer x2
Soulfly x2
Speeddealer
Static-X x2
Superjoint Ritual

Tool
Tenacious D
TestAmenT
Trail Of Gore

Vader
Vehemence x3
Vio-lence

Weezer

wow. alot of metal fans out there! i've been to quite a few shows, but the best ones were:

Nine Inch Nails & A Perfect Circle (great show at the Gorge in WA).
Marilyn Manson (x3)
U2
David Bowie
Moby (x4)
Outkast
Radiohead
Depeche Mode
Smashing Pumpkins (x3)
Rinocerose
Violent Femmes
Modest Mouse (x5)
The Reverend Horton Heat (x3)
Sleater-Kinney (x5)
Ani Difranco
Sonic Youth
Beck (totally wild)
Luscious Jackson
Filter (x2)
Rob Zombie (crikey)
Rammstein
Motorhead
VAST
Foo Fighters (x2)
Deftones (x2)
The Specials
Hybrid
New Order