Buy.com Buy 3 get 1 free AR
 

Buy 3 DVDs, Get 1 FREE*!
For a limited time, purchase 3 in-stock DVDs and get 1 FREE (*priced up to $19.99) after mail-in rebate from Buy.com. All 4 DVDs must on the same order receipt and In Stock at the time of purchase to qualify. Rebate based on the lowest product price. Offer valid from 7/24/2005 to 8/4/2005

http://www.buy.com/retail/topsellers.asp?loc=15318

Covered here: http://www.dvdtalk.com/forum/showthread.php?t=432094
But, thanks.