I saw this one not thinking of much and found it quite good. I enjoyed certain parts of dialogue between the characters. I would say, this one is a must see.
I heard it was great, but I never got around to watching it...just doesn't seem like the type of movie I'd like, even though it got great reviews.
Same with those "crime/drama" sorta movies where the character is a drug dealer or something like that (The Departed)...they get great reviews but just don't interest me at all.