Great working Vintage Sony VAIO desktop Windows XP Home 32 bit edition, with original COA. 

Pentium 4 3Ghz
512mb DDR ram
ATI Radeon 9200 graphic card, with VGA, DVI, S-video.
160GB IDE hard drive, 
DVD-ROM, and DVD-RW, 
Floppy drive (working, tested)
PS2 ports, Ethernet, audio jacks, and a (PCI?) Modem card. 
USB ports, 1394 port (firewire). 

CMOS battery replaced. Only a power cord will be included. You can use your own USB or PS 2 mouse/keyboard.

Windows XP home desktop, if you have request, I can reinstall Windows XP Pro 32 bit for you. 

For retro gaming, or special software needs that have to run under XP platform. 

When I was listing this Retro unit, Ebay suggested to list it at $150, I chose a little lower than that.