This deal has ended.
Dell.com has this Inspiron 530s Desktop for just $599 through 5/21, after a $310 instant discount. It comes standard with a 20" LCD monitor (model E207WFP), a 2.4GHz Intel Core 2 Duo processor, 3GB memory, 500GB hard drive, 16x DVD / CD burner, and Windows Vista Home Premium. Most components are upgradeable, just scroll across the icons at the center of the landing page. Shipping is free and sales tax is charged to most states.