This week's batch of DVD releases has something for everyone. For mystery/thriller fans there's Roman Polanski's taut suspenser 'The Ghost Writer,' about a scribe who gets more than he bargained for when he takes on writing the memoirs of a scandal-ridden ex-British prime minister. If you like crime and/or prison dramas, then the French import 'A Prophet' -- which explores the intricate political hierarchy of the prison system -- is for you. Teens will like 'Diary of a Wimpy Kid,' a comic-inspired take on life in that worst of all institutions, middle school. And, lastly, for superhero fans there's 'Kick-Ass,' which ramps up the violence vigilante quotient to the nth power. Read on.