Here is a list of some sick games coming out on PS3(exclusive means only on ps3):

1. Unreal Tournament 2007
2. Half Life 2 (Next Generation - Re-Do)! (exclusive)
3. Brothers in Arms: Hells Highway
4. Killzone 2 (exclusive)
5. Assasins Creed (exclusive)
6. Resistance: Fall of man (exclusive)
7. Ratchet and Clank (exclusive)
8. Metal Gear Solid 4: Guns of The Patroits (exclusive)
9. Tekken 6 (exclusive)
10. Tom Clancys Splinter Cell: Double Agent
11. Final Fantacy XII (and ps2)
12. Untold Legends: Dark Kingdom (exclusive)
13. Metal Of Honour: Airborne
14. Virtua Fighter 5 (exclusive)
15. Warhawk (exclusive)
16. Heavenly Sword (exclusive)
17. Gran Turismo HD (exclusive)
18. John Woo's: Stranglehold (exclusive)
19. Medal of Honor: Airborne
20. WWE Smackdown vs. Raw 2007 (Also on PS2, but hell better on PS3)
21. Formula One 2006 (Cars almost look virtually real)!
22. H.A.Z.E
23. Coded Arms Assault
24. Interstellar Marines
25. Call of Duty 3 (Also on Xbox 360, but will turn out shit on there)!
26. Armoured Core 4
27. Tony Hawk's: Project 8
28. Frontline: Fuels Of War (exclusive)
29. Motor Storm (exclusive)
30. Eight Days (exclusive)
31. Untitled (no name yet) (from naughty dog) (exclusive)

The list may seem large, but still there are more to be announced! (+ thats not all of the games commin out) You could just say all PS3 games are good and will be good, where as not all Xbox 360 games are good!

{NOTE: Original Post Author was Davo91}