(not in order of best)

5 SP :
1. Uncharted: Drakes Fortune
2. MGS4
3. GOWIII (out early next year)
4. Fallout 3
5. Deadspace

5 MP:
1. Killzone 2
2. MAG (out early next year)
3. CODMW2
4. SoCom (if u liked any of the other socoms for PSP)
5. GTA4 always fun

Other games i liked: Wipeout HD (PSN Store), Burnout Paradise, X-Men Origins: Wolverine (rent), UFC Undisputed 2009.

!!!!