OK. I think I have it.
Case $58 AHANIX Black Mid-Tower ATX Case, X195 Black Knight
Power Supply $62 ANTEC 430W Power Supply, TRUE430
Processor $105 AMD Mobile Athlon XP 2600+, 266mHz FSB, 512k L2 Cache
Motherboard $84 ABIT NF7-S, NForce2
Memory $129 OCZ Enhanced Latency Series, 512mb, PC-3200...