This deal has ended.
So Dell.com has this Inspiron 531 Desktop for $499 after a $100 instant discount. Good enough deal as is. But add $450 worth of upgrades to get the base price to $1049 and you can enter coupon code 6J5ZZ?ZX?RGJF1 ($350 off desktops $1049+ through 12/12) and pay $699, only $200 more. You can upgrade almost everything, taking it to $1054 before the coupon and $704 after, by adding: the AMD 4400+ processor, 20" Dell LCD monitor, 2gb memory, 500gb SATA hard drive, 16x DVD / CD burner, 128mb ATI Radeon HD video card and the Integrated Soundblaster Audigy. Shipping is free; sales tax is charged to most states.