Both the books and the movies are hilariously bad. Merely a series of cheesy, unoriginal, badly-written wet dreams by a bored, ignorant housewife. Cons: The rabid fans who will no doubt want to kill me for saying so.
A oh-so-classic tale of vampires and humans falling in love. Condenses the story into two hours, though it does leave out several major aspects (like Bella begging Edward to change her, lulz). Cons: Freaking everyone who wasn't into this series got into it after this movie. Makes a mockery of the books, which, in turn, tend to make mockeries of themselves. Robert Pattenison? Just ew, hair.