yes you probably heard of it, or maybe not, but i have officailly tried it out and it works well.
anyways the quality of the games transmission u receive is totally dependant on your pc capabilitties, so if u have a old pc you can bet any new games that require big GFX capabilities etc won't work (e.g. CRYSIS).
So if u dont know about it, then go on down to http://www.streammygame.com/ and have a look ok