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Dell has the Dell Inspiron 530 Intel Dual Core 2GHz, 1 GB, 320GB HDD, Desktop PC for $299.
Final Price for this deal: $299

Description:
Intel® Pentium® dual-core processor E2180 (1MB, 2.00GHz, 800FSB)
Genuine Windows® XP Home Edition
No Monitor
1GB Dual Channel DDR2 SDRAM at 667MHz- 2DIMMs
320GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache™
16x DVD+/-RW Drive
Integrated Intel Graphics Media Accelerator 3100
Integrated 7.1 Channel Audio
Dell USB Keyboard and Dell Optical USB Mouse
No Floppy Drive Included
No Modem Option