Gridiron Gang looks ok. Not really my kind of movie, but you never know.
I'd recommend The Illusionist or Little Miss Sunshine... best movies out right now (I work at a theater).
I'm sure Jackass 2 is great too, but in a field of it's own.
Fearless (Jet Li) and The Protector (Tony Jaa - eg, Ong Bak) look good as well, if you're into martial art type flicks.
Hollywoodland and The Black Dahlia I'm not sure, I've heard mixed reviews (haven't seen either). I'm not a huge Affleck fan, but I have actually heard he's awesome in HWL... The Black Dahlia, I've just heard sucks, which is suprising to me considering the cast. But at the same time, I'm not that suprised.