After G-Force and The Ugly Truth here is my list:

1. Star Trek (9.5)
2. Up (9.5)
3. Harry Potter and the Half-Blood Prince (8)
4. The Ugly Truth (8)
5. Night at the Museum: Battle of the Smithsonian (7.5)
6. The Proposal (7)
7. X-Men Wolverine (6.5)
8. Trasformers: Revenge of the Fallen (6)
9. Ghosts of Girlfriends Past (5)
10. G-Force (4)

Idea stolen from Howard Tayler of Schlock Mercenary.

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