http://www.imdb.com/title/tt0436992/board - Doctor Who Messageboards on IMDB http://www.tomorrow-movies.com/ - Site for the Tomorrow Series movies (you probably won't know what this is about unless you're Aussie)
Facepunch & Something Awful (I don't have accounts there, I just read the antics. I also don't play HL2 or anything but I know a little bit about it)