Stephen Graham's Performance
I am surprised that this has yet to be brought up on this board, but I thought that Graham's performance was outstanding. Incredibly intense and captivating from his introduction.
It takes a strong actor (and script) to create a character who makes a viewer feel constantly on edge and waiting for an explosion (e.g. the car scene). Similarly to Pesci in Goodfellas, Norton in American History X and Nicholson in The Shining, Graham's portrayal of Combo really is up there in my opinion. Especially considering many of his scenes are with a young boy, they play off of each other extremely well.
All in all, I think Graham is what takes this film from a 7 to an 8. Do you folks agree?