What Operating System do you use?

I am almost a year with W7 since I switched from OSX

Windows XP and i dont want move to 7 or 8

I use 7 and have dual booted linux backtrack :)

Windows XP

Windows 7 :)

ccc windows 7 ccc

Windows 7, best since Xp.. ;)

Windows 7 at the min, windows 8 looks like a pos

Windows 7

win 8