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Dell has the Vostro 200 Mini Tower w/ Dual-Core E2160 1.8 Ghz, 1GB DDR2, 160GB HDD, DVDRW, XP Home/Vista Basic, 20" Wide LCD, for $429 with free shipping.
Final Price for this deal: $429 + Free Shipping

Description:
* Intel Pentium Dual-Core E2160 (1.80GHz, 1MB L2 Cache, 800FSB)
* Genuine Windows XP Home Edition
* No Pre-installed Productivity Software
* Dell 20 inch Widescreen E207WFP Analog Flat Panel Display
* 1GB Dual Channel DDR2 SDRAM 667MHz - 2DIMMs
* Single Drive: 16X DVD+/-RW Drive
* 160GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache™
* Intel Graphics Media Accelerator 3100
* No Floppy Drive
* No Modem Option
* Integrated 7.1 Channel Audio