Here are some links that I recently visited. Please visit them as some of them need some publicity!
The Transformers Discussion Board
http://www.sitepowerup.com/mb/view.asp?Action=Post&BoardID=115844The Axalon Underground.
http://beasties.gagames.comBenson Yee's Beast Wars/Beast Machines Page. An excellent TF resource IMHO.
http://www.bwtf.comBob Skir's Offical FAQ Page. Yet another excellent TF resource.
http://www.bobskir.comTrans-Fans: A Transformers Website
http://www.transfans.com