I got the minicase and 1Ghz mini itx mobo as a combo for $249. I purchased a laptop hard drive 40GB for $50.00 from Fry's electronics and paid $50 for a 512MB PC2100 memmory module.
Specs:
Contents: Barebone Mini-ITX system (no HDD or RAM), power adapter, manual, and drivers
I/O connections: PS/2 mouse port, PS/2 keyboard port, VGA connector, 4 USB 2.0 ports, 2 Firewire ports, TV-Out/SPDIF, S-Video, Line Out, Line In, Mic In, RJ-45 port, COM port, and LPT Connector
The CPU is a C3 1Ghz
-Goz