Sounds like you're afraid to lose your stats if you reinstall, here is your solution!
http://fearless-assassins.com/tutorials/article/110-how-to-savebackup-your-cod4-players-file-windows/
Yeah, it is... plus(straight from BackTrack FAQs)
Sooo yeah, maybe eventually.. but it's highly discouraged as my first go at Linux.
Thanks for the replies guys, still got a few days to make my decision so keep em coming.