The Conjuring (2013)

The Conjuring is an intriguing and (somewhat) engrossing take on demons and exorcism. The film makers did their home work in one respect because there are bits and pieces of every demonic possession movie I've ever seen integrated into this story. In another respect no homework was done: being a pastiche, the threads in the story should be invisible, not black.

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...Death Sentence (2007)

Death Sentence is a ridiculously bad revenge movie from James Wan, the director of Saw. Kevin Bacon is SuperAvenger, a vigilante who takes down everyone that had anything to do with the deaths of his family and miraculously never gets popped by the cops. There are so many flaws in this movie (including Aisha Tyler's horrendous portrayal of the lead detective) that you should skip it and watch Straw Dogs for an excellent revenge film.