I think it's one of Cusack's best. Excellent effects and pacing. And I swear someone involved saw John Quixote. Not going to say more than that.
I almost peed my pants during the ending. But I think the reason for that all the coffee I drank and the large Pibb I bought for the movie. *sticks to that excuse forever* :D
Samuel L. Jackson's part was too short, but I think he had one of the best lines of the movie.
"That is an evil fucking room."
It's the way he says it.