I'll be putting in the stuff I already have Now Which is as Follows:

Biostar Motherboard
AMD Athlon XP 2700+ @3000+
@ hard Drives (Maxtor/ 30 and 60 gigs)
NVidia GeForce 2 MX400 (64mb)
300w Power Supply
Single Basic Homemade Fanbus (switch) Also Has cathode Switch on it
PC Toys Blue Cold Cathode
2 Antec 80mm LED Fans
1 Antec Bay Fan
1 Antec CPU Cooler
Thats about it. Not The best system, but its a decent Counter Strike/Quake/Unreal/RTCW/Enter the Matrix/Web Designing Machine. The only other thing I use it for is Music (with iTunes of course) and I plan on DJ-ing with it eventually so I need a cool looking system.
Mobile-2.2Ghtz Core 2 Macbook, 4GB ram, 160GB HDD
Server-Dual 1.42 MDD G4, 1GB ram, 4 random hard drives.
PC-C2D 2.4Ghtz, Asus Commando, 2Gb ram, 3 hdd's in raid 5, 8800GTS.