Right.
I can play freelancer.
what I cannot do is play online.
Running any vista program...uh...unless its a game, it will either run it or have a substitute (often much better)
It has much cooler themes, and is much more customizable.
Shining golden Exampe: Compiz Fusion A huge repository of user made themes, backgrounds, pointers, etc
Really, the only reason m$ has anything on linux is the DX dependency of most game devs...but we're working on some things that make DX not look that great...Like the next Elite successor: Vega Strike
But, no.
If it uses DX, you'll have trouble running it.