I read these set of articles that, although don't necessarily point out anything new in the gaming arena, is very much a good read for those who don't know yet about Linux and gaming.

http://www.extremetech.com/article2/...2047506,00.asp
http://www.extremetech.com/article2/...2063130,00.asp

The way I see it, this guy is right and Svartalf, I think you'll agree.