I saw them all but Burn After Reading, Wall-E, Frost/Nixon, The Reader, and Milk.
Pineapple Express is one of if not my favorite "stoner comedy," replacing the classic Half-Baked for me for the most part. But my favorite would be between Gran Torino, which I've rewatched a million times on HBO, and The Wrestler which I thought was amazing. Mickey Rourke should have got an Oscar for it. I think I like the idea of Cloverfield more than I liked the execution, but I'd watch it again if it was on right now.
Tropic Thunder I saw in theater and laughed, but I don't remember much about it now. Just RDJ being black.
Everything else was inoffensive and passable to good.