I was going to do a poll for this, but there are so many good games coming out this fall, I think it would be better to list which one you're most excited about and why.

For me, I'm a big action-platformer fan and Ratchet and Clank as my favorite game last year, so I'm very excited about R&C 2. Still, from what I've seen it doesn't look much different from last year's version. Jak 2, on the other hand, looks to be miles ahead of the original and I'm really excited to play it. I'm hoping the recent delay from Sept to Oct release doesn't mean anything's wrong. The IGN preview sounds awesome.
Price of Persia might also be great. Everyone at E3 was buzzing about it. But since I can't ever recall a multi-console platformer that was any good, I'll keep my enthusiasm in check until I read some reviews.
And of course if Gran Tourismo 4 comes out this year, I'll buy it.

So what are you most excited about this year?

Half-Life 2, without a doubt.

Also: Greyhawk: The Tomb of Elemental Evil

Hmmm...there's actually quite a bit

Castlevania: Lament of Innocence (PS2)
R&C/Jak 2 (Sony)
Crimson Skies: High Road to Revenge (Xbox)
Mario Kart: Double Dash! (GC)
Max Payne 2: The Fall of Max Payne (PC)
Half-Life 2 (if it makes it...PC)
Deus Ex 2 (PC/Xbox)

I'm sure there are others I am forgetting. I would say Max Payne 2 and Half-Life 2 are the ones I am most anticipating with Castlevania being the console game I am most looking forward to that I can think of.

Oh yeah...I did forget about Prince of Persia. This game is the real deal. Ubi took its cues from ICO for the new Prince game. It is probably easily the sleeper of the year, although hopefully it will sell lots.

PS2: Socom U.S. Navy Seals 2
XBOX: WWE Raw 2

Of coruse, theres alot of games I still really want, but those are on top of my lists.

Half Life 2 will be coming for the Xbox, right? Probably 2004? I haven't gotten the best performance out of my computer and will plan on getting the Xbox version if I can.

And I haven't heard word one about Greyhawk. What is it?

There's nothing left I'm really dying to play, but I am mildly excited for Mario Kart.

GC: Rebel Strike: Rouge Leader 3!
Xbox: Jedi Academy: Jedi Knight 3(xbox live, lightsaber fights )

Oops, those two slipped my mind.

I'm pretty excited about both. Not dying to play them as they're sequels, but looking forward to them none the less.

PS2 Return of the King looks insane.

Forgot about Mario Kart. BOO-YAH!

My sig has my planned purchases, but I'm definitely most looking forward to FF Tactics and RPG Maker 2.

Gran Turismo 4. I hope it comes out this year!

Oh and SSX3 as well me thinks.

HL2 for computer
F-zero GX and Mario Kart for GC.

Forgot the news that almost made me wet my pants - Half Life 2 may be going multi-platform, according to the latest issue of Game Informer.

Ninja Gaiden (Xbox)

Let's get the 3 obvious ones out of the way...

DDRMAX2!
Karaoke Revolution!
EYETOY!!

And then...

Mario Kart
Bombastic
Grabbed by the Ghoulies

FS

Tiger Woods 2004 with online play

F-Zero

Viewtiful Joe (GC) most anticipated
Castlevania:Lament of Innocence(PS2) second most anticipated
Jak II (PS2)
Ratchet and Clank 2 (PS2)
Half-Life 2 (PC)
Champions of Norrath:Realms of Everquest (PS2)(same developer that made Baldurs Gate: Dark Alliance)
Fatal Frame 2:Crimson Butterfly (PS2)
Legacy of Kain: Defiance (PS2)
Super Mario Advance 4 (GBA)
True Crime:Streets of L.A. (GC)
Star Wars Rebal Strike:Rogue Squadron 3 (GC) (mainly for the pre-order disc heh)
Gran Turismo 4 (PS2)
Metal Gear Solid:The Twin Snakes (GC)

Theres more but those are the big ones

Final Fantasy X-2(PS2)
Final Fantasy XI(PC)

I can't believe it took 15 posts before someone mentioned these...

My most anticipated? Thanks for asking:

Starsky and Hutch
True Crime: Streets of LA
Armed and Dangerous
XIII
Gladius

Urgh... such violence... surely it will be offset by "Barbie's Horse Adventure"

Can't think of anything I'm really anticipating that comes out this year.. F-Zero is close, but I wouldn't call that anticipatio, just I want it.

Harvest Moon: A Wonderful Life (GC)

I loved Harvest Moon 64 and Animal Crossing, so I've been looking forward to this one for a while.

Final Fantasy X-2

SOCOM II
Metal Gear Solid: The Twin Snakes