2 words, psn and ps suite, you can make all kinds of games from big AAA titles, psn fun little titles, and hell even ios type shit!. thats the real beauty of this thing, it can do all kinds of gaming, and if the ps suite is like they said you'll be able to buy all kinds of games and even some apps for it, fuck the ps3, This thing will really do everything.
edit* Also look at the line up of games they showed off, it's got something for just about everyone. Sony needs to keep that up and they seem to understand that, for now.