Links

Lord of the Rings.co.uk: Excellent message boards, plus a Middle Earth name translator and lots of pictures. (Also see TheOneRing.Net and the official film site).
TheForce.net: The best site for finding out what's going on in the Star Wars world (or visit the official site).
Heavens Above: Up to date info on star positions, satelites etc. for almost any location.
Lego games: My sons' favourite games.
LAST: Fan page for all you Coventry City FC supporters.
W3Schools: Web tutorials & official standards.

Gil-Galad's Unofficial Guide to Middle-Earth.: A site run by a friend of mine who is bent on educating everyone about Tolkien's world, which I have helped on a little with coding.
The Grey Guild: A forum for writers.
The Jedi Council of Elves: A site and forum devoted on Star Wars and Tolkien. (Warning, there are a lot of advert pop-ups.)