Dell Business has their Dimension E521 AMD Athlon 64 X2 Dual-Core 3800+ Desktop + 19" LCD for $549 with Free Shipping.

• AMD Athlon 64 X2 Dual-Core 3800+
• 512MB Single Channel DDR2 SDRAM at 533MHz - 1DIMM
• 250GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache
• 16x DVD+/-RW Drive
• 19 inch E197FP Analog Flat Panel
• NVIDIA GeForce 6150 LE Integrated Graphics GPU
• Integrated 7.1 Channel Audio

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