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Dell.com has this Inspiron 530 Desktop for $549 after a $319 instant discount. This features a 20" LCD monitor (model E207WFP), a 2.0GHz Intel Core 2 Duo processor, 2GB 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.