I'm saving my excitement for some games until I see some actual gameplay or hear more details on them, such as Metal Gear Solid Rising.

  

10. BioShock 2

9. Left 4 Dead 2

8. Halo 3 ODST

7. Diablo III

6. Crackdown 2

5. Brutal Legend

4. Final Fantasy XIII

3. StarCraft II

2. The Last Guardian