Law Abiding Citizen is sweet.
I thought Hurt Locker kinda sucked. It was good for for an hour and a half or so but then it just didn't really go anywhere and got real boring.
District 9, Scarface, Outbreak, The World's Fastest Indian, The Last King Of Scotland, Paranormal Activity, Orphan, Heat, the Bourne trilogy, Inglorious Basterds, Boogie Nights, and Gran Torino are some of my favourite movies. If there are any in that list you don't have, I strongly recommend you check them out.
Also, Antichrist (2009) with Willem Dafoe is pretty sweet if you wanna see a horrendously fucked up and graphic movie. It's not gratuitous at all, it's a drama, but it's pretty full on.
Oh and I forgot Rambo IV. Best movie ever.