You might want to look for a different platform.
The mini-itx 1 ghz performs much like a 600/700 mhz PIII. A lot of games may not be 100%. I know Metal Slug can stutter on it. Also, the TV-OUT requires a deal of tweaking to get it 90% usuable. I was really disappointed with mine. I ended ditching this about to weeks ago for this for a 1.6ghz duron + mobo combo for $49. I bought a Cheap HSF and an ATI Video card w/TV out for under $99. Now I can play an Metal Slug/TMNT 4 player/Gauntlet II with no problem, and it looks MUCH better with S/Video.
Oh, the heat was not an issue from the duron. It's faily cool running.
-david