http://bluetongueskinks.net/blue.htm
Don't mind the corny music. Good care sheet, decent forum and a good breakdown of the different variants.
Blue tongues are a lot easier to care for than chameleons, and are more interactive to boot.
If you are into geckos, check out Pet'acular Exotics in Antioch. Richard Speckner is the owner and is really into geckos.