Computer - Do it yourself PC
CPU - Intel Quad Core / Intel Core 2 Duo Extreme X6800
Graphics card - nVidia 8800GTX Ultra
Motherboard - MSI 975X Platinum/nForce
Harddrive - WD Raptor 150GB in RAID 0
Sound card - Creative Labs?
Physics card - What do you mean?
Operating system - Microsoft XP Professional/Microsoft Vista
Monitor - 22" (or the one Beirut has...)
Keyboard - depends on preferences
Mouse - Razor Copperhead/Logitech G5 (or M5?)
Printer - depends
Speakers - ALTEC LANSING 5.1 system
+ custom made Water cooling
+ custom made case
+ ENERMAX Galaxy 1000W source (triple quad - 24 HDD, 4 video cards, 4 processors - SIMULTANEOUSLY!!!)

It depends on what you want. I ordered a similar one.