PC box under $500 either DIY or kit or assembled

[decay]

http://www.microcenter.com/single_produc...id=0341569

$305

Optiplex 755 Desktop Computer Refurbished

Color Black
Operating System Microsoft Windows XP Professional Edition
Processor Intel® Core 2 Duo Processor
Processor Speed 2.2GHz
RAM Installed / Max RAM Supported 1GB RAM
Hard Drive 160GB Hard Drive
Multimedia Drive DVD-ROM Drive
Display Type Display Not Included
Manufacturer Warranty 90 Day Limited Warranty

review:
http://www.pcworld.com/reviews/product/3...x_755.html