This deal has ended.
Dell has a great deal through 12/6 on this Dimension E521. It is $619, has the new AMD Athlon 64 3800+ X2 Dual-Core processor, 1gb memory, 160gb hard drive, 16x DVD / CD burner, 256mb video card and a 19" LCD flat-panel monitor. Also, Dell's new E207WFP 20" widescreen LCD is only $50 more ($669 for this desktop and a 20" LCD is fantastic). Shipping is free.