This deal has ended.
Dell has the XBox 360 Pro Bundle on sale for just $358.99. Enter 20% off coupon code ZCFLR1BTX5Q1D$ and pay just $287.19. This includes the 60GB XBox 360 console, one controller, and three games: Lego Indiana Jones, Kung Fu Panda, and Madden NFL Football '09. Shipping is free with sales tax charged in most states. The code currently expires on 12/17 but I don't think it will last very long!