Here's mine:40G HD, 512MB RAM, 1000MHZ Duron processor, XP, 17inch monitor, CDRW, 56X CDROM,
Here an example of the cheapest pc to get.
Intel Celeron 1,100MHz CPU
Intel D815EGEW, 4 PCI, 2 USB
128 Mb PC-133 SDRAM
20GB 7200RPM UDMA/133 HDD
Built-in 32Mb (Shared) Video
Integrated 3-D Stereo Sound
No Operating System
MidTower Case, 300w PS
104-Key Keyboard
Microsoft Intellimouse
3.5in Floppy Drive
60-Day Parts Exchange Warranty
$499
Here's where to get one. You can customize them any way you want. All components are interchangeable. I bought mine here- http://www.systemquote.com/