This deal has ended.
Dell is on the 6th day of a "10 Days of Deals" promotion, with a different deal each day through 6/21. Today, you can get a Dimension C521 Desktop for $589 after a $300 instant discount. It has an AMD Athlon Dual-Core processor, 20" LCD monitor, 1gb memory, 250gb SATA hard drive, 16x DVD / CD burner and Windows Vista Home Premium. Shipping is free. Sales tax is charged to most states.