In order:
1) Gears of War
2) Gears of War 2
3) Fable 2
4) Metro 2033
5) Alan Wake
6) Condemned: Criminal Origins
7) Splinter Cell: Conviction
8) Prey
9) Earth Defense Force 2017
10) Dark Messiah of Might & Magic: Elements (It was better when I played it on PC though).
Special Mention: Perfect Dark: Zero
Worst Game: Two Worlds
Bet with Conegamer and AussieGecko that the PS3 will have more exclusives in 2011 than the Wii or 360... or something.