I looked through the list of 2008 U.S. releases according to IMDB, and there's a long list of (possibly great, possibly terrible) movies I haven't seen yet. It includes the following.
- Baghead
- Bolt
- Burn After Reading
- Changeling
- The Day the Earth Stood Still
- Frost/Nixon
- Gran Torino
- How the Garcia Girls Spent Their Summer
- The Killing of John Lennon
- Milk
- Nobel Son
- The Promotion
- Quantum of Solace
- Religulous
- Snow Angels
- Special
- Standard Operating Procedure
- Stop-Loss
- Synecdoche, New York
- Traitor
- Transsiberian
- W
- WALL-E
- What Doesn't Kill You
- Valkyrie
- Zack and Miri Make a Porno
But of the movies of 2008 that I have seen, here are my favorites.
- Hellboy II: The Golden Army
- In Bruges
- Kung Fu Panda
- Meet Bill
- Street Kings
- Step Brothers
- Teeth