some of my favorites of the last decade or so:
The Machinist - Christian Bale is a factory worker who can't sleep and is losing his mind. Really dark, but really good.
3:10 to Yuma - Originally an Elmore Leonard short story. There are two versions, 1957 original and a 2007 remake with Russell Crowe, Bale, Ben Foster. Both are excellent but the remake is probably the better overall experience, unless you really enjoy old movies.
Middle Men - Luke Wilson, Giovanni Ribisi, James Caan. Based on a true story of the first internet porn site and credit card bill service.
Black Mass - Boston mob flick. If you've seen "The Departed" this is more or less the same general story but supposedly more true to the actual events. If you have not seen The Departed then watch that one too.
Man of Steel - Granted, I'm a big Superman nerd, but this is the Superman flick I always wanted to see. it's not perfect but it's really, really, really damn good.
Interstellar - Complicated plot, but worthwhile. High-minded sci-fi in the vein of 2001 and such. If you have a big TV and surround sound system this is essential viewing.
Southland Tales - I'm staunchly of the opinion that everybody needs to see this. You may not like it, you definitely won't understand it, but it's campy as hell and a wild wild trip.
Gran Torino - Eastwood. Awesome flick, sort of a character study. Gets more and more relevant every time I see it.