Cloverfield (2008)

This movie had almost everything I can enjoy in a horror movie, which is hard to do because the horror genre is the last genre you can find me getting into. The movie was short, clocking in at less than 84 minutes. The story was far-fetched (because I just can't handle the real stuff, I get nightmares). And it took place in a cool location (NYC, rockin!).
The quasi-unique thing about this film, as most viewers would probably agree, is the "hand-held" shooting style. I guess about 95% of this film is done this way. I can't recall any non hand-held shots, but I'm sure there were a couple wide shots inserted seamlessly in order to give the viewer a broader perspective of the scene.
I thought it was really corny that the main dude was so set on finding his love interest who was trapped in her apartment. Chances are she is dead man, but of course the film is usually optimistic and she was alive when they get to her.
Another thing that was dumb was that it took forever for the horror to start. Yeah the young/beauty NYC people know how to throw a house party, yes I'm uber jealous and would love to live in Manhattan with no appearance of the stresses of money and a career. But really, I don't think it takes 15 minutes to get this idea across. Five minutes max and I totally would have gotten the drift.
What the film really had going for it though was that it never explains afterwards what sparked the attack by that crazy monster and where it came from. The film felt like an unfinished alien version of the Blair Witch Project mixed with The Ring. When horror movies give too much information they're just not scary they're hella lame. It's all about the keeping the viewer wondering what the hell is going to happen next, and Cloverfield totally pulled this off.
In essence I recommend this film because it doesn't pretend to be pretentious, it's kind of like a hey, wouldn't it be crazy if this happened, oh and we're going to deliver it from a one person's perspective, so it really gets into your skin. Enjoy!