MacGruber - 1 of the funniest SNL movies. I think some parts were funnier than The Hangover. I rented it for a $1, and I'm actually going to end buying it.
If you like comedy, and actually respect the art form, then pick this movie up. Will Forte is hilarious.

30 Days of Night # 2 - Nothing special. But a good vamp/action flick.