um considering the 64bit OS, but i just used a 32 bit cuz it was onhand an free.
I got the viper case from a local computer store a few years ago, but the computer in it was crap an blew up a year after i bought it, system 32 error : /
but the Vizio was origonally for the 360 cuz its 1080p but i was like...wth...use it for a monitor an watch DL'd HD movies, lol
also use a 22in LCD Westinghouse monitor sometimes as dual aswell.
heres a pic or 3 of the comp itself.
it did have 3 red LED fans but 2 of them broke : /
47 C heat sink / 53 C CPU temp during a P95 stress test and playing hawx