I just got around to renting superbad and it was fucking GREAT. I also rented Mr. Woodcock. It was alright but nowhere near as good as superbad. SemiPro was decent. I rented Blades of Glory yesterday but haven't gotten around to watching it yet.
I didn't like Blades of Glory, but I don't think many movies are funny. If you like Stephen King, "Riding the Bullet" is a good rental.
Its like whenever I watch something by Judd Apatow, I cant laugh. Freaks and Geeks was pretty cool, but imo it hasnt been the same since.