Wilki and the Sith

Searching for Sith found me the Wilkipedia definition. It's complete with history and whatnot. Who knew?

http://en.wikipedia.org/wiki/Sith

According to this, LucasFilm makes Revan's light side ending in KOTOR I the official ending. I'm not sure if I like that or not.

http://en.wikipedia.org/wiki/Expanded_Universe_%28Star_Wars%29

Section article on Eu and it's canonical limitations.