I've got quite a way - more than half - to go. But I figure it'll do me good to get out of the comfort zone of films I know I like and consider some "classics". My main weapon is my library card - any film £1.50 for a week.
Alternatively I could just get a girlfriend, but this will be more fun, right?
Here's the list, anyways: http://www.imdb.com/chart/top