One of the top 5 movies of all time! Period! Offical site is here (although I advise viewing the film at least once before entering). If you have not seen this film, stop what you are doing and go get it. It is still early enough on Saturday night for you to have a good time tonight. A sixer and this film and you are golden. And call Mike Schank in his basement at 414-466-Mike, he's 3614 days sober!
Also, Check out the Mark and Mike show (after you have seen the movie) at Zero TV!