Here are my ideas so far :
1. DFI LANPARTY UT nF4 Ultra-D
2. Leadtek A400 GT GeForce FX6800 GT 256MB TV/DVI, AGP8X
3. AMD Athlon64 3800+ Retail - Socket 939 - Venice Core
4. Antec Antec P180, Performance One, ATX MidiTower Case
5. OCZ PowerStream 520W Ultra-Quiet ATX PSU
6. Corsair 1024MB XMS2700 - TwinX - Extra Low Latency DDR RAM (2 x 512MB)
7. Seagate Barracuda NCQ 120GB 7200rpm ATA150 Serial ATA HDD - 8MB Cache X 2