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Dell has the Dell Inspiron 530N Intel Dual Core 1.6GHz 1GB 250GB Desktop Desktop PC for $329 with Free Shipping.
Select No Monitor [subtract $170].
Final Price for this deal: $329 + Free Shipping

Description:
* Intel®Pentium® dual-core processor E2140 (1MB L2,1.60GHz,800 FSB)
* Ubuntu Linux version 7.10 with DVD Playback
* No Monitor
* 1GB Dual Channel DDR2 SDRAM at 667MHz- 2DIMMs
* 250GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache™
* 48X CD-RW/ DVD Combo Drive
* 128MB NVIDIA GeForce 8300GS
* Integrated 7.1 Channel Audio
* Dell USB Keyboard and Dell Optical USB Mouse
* No Floppy Drive Included