1. Should be in Sony Forum. There are plenty of kind, generous and helpful people more than willing to assist you in your purchases.
2. Only good game I can think of that's actually out is Resistance, and possibly Ratchet.
3. Couldn't you have bought a 360? It has basically all of the games a PS3 does, except it's slightly cheaper. I'm not criticizing your decision, but are you sure you really need a PS3, especially if you don't know what games you want?
Ubuntu. Linux for human beings.
If you are interested in trying Ubuntu or Linux in general, PM me and I will answer your questions and help you install it if you wish.