I found 2 dedicated sites for paladins and warlocks, that may answer questions of some, and just be fun for others


http://www.theholylight.com/protector.htm
Very clean and quite comprehensive
Note that the current home page of the this site is down, probably due to main changes of 2.0 and TBC, so link to another page


http://wowmb.net/
Beautiful, complete, even including a forum for warlocks

www.assemblee-defias.com,a very complete guide for rogue(in french)un guide pour les voleu,ou il expliquent les quest voleur,coment obtenir le"thunderfury"etc