This deal has ended.
Dell.com again has this Inspiron 530N Desktop for just $448, after a $100 instant discount. It comes standard with a 19" LCD monitor (model SE198WFP), a 2.0GHz Intel dual-core processor (if you already have a monitor, I'd upgrade to a Quad-Core), 2GB memory, 250GB hard drive, 16x DVD / CD burner, and Windows Vista Home Premium. Most components are upgradable or downgradable , just scroll across the icons at the center of the landing page. Shipping is free and sales tax is charged to most states.