This could be big news for you, Wheels. I remember you being really interested in this. http://www.giantbomb.com/articles/valve-teases-steam-box-other-news/1100-4744/
GiantBomb is blocked at work for me I'll have to check it out at home. I am still interested def, but Sony really won me over this year, so I know I'll get PS4 within next year. PS GiantBomcast is one of my favorite video game podcasts!
It's a pretty interesting site, their quick looks are kind of helpful for looking at a game you're undecided on whether to buy or not.
So it's a Linux OS. Ok. No more Steam for Windows or Mac? Sounds like a bad idea. The next announcement is expected to be the Steam Box or a low cost Valve PC built to run the Steam OS. The final announcement is expected to be software. Nobody needs two guesses as to what everyone is hoping to hear.