RKMBs Forums .::Robegories::. Games and Tech Video converters - Which is the best (for free)?

I currently dual-boot Ubuntu and Windows 7. Linux is free, awesome and nice to have for a lot of different reasons *noviruseswhilelookingatpornCOUGH*, but it's still a Windows world and there's some programs that you just need Windows, or at the very least Mac, to run.