smbu2000 on 18 September 2011
I have no idea about AMD's APU cpu's as I don't have one, but as for Portal it is free until 9/20.
http://www.learnwithportals.com/
Also if you go to the Portal page on Steam, you can click on "Install Game" right there.
http://store.steampowered.com/app/400/
starcraft: "I and every PS3 fanboy alive are waiting for Versus more than FFXIII.
Me since the games were revealed, the fanboys since E3." 
Skeeuk: "playstation 3 is the ultimate in gaming acceleration"
