Lord of the Rings Online reference sites
World of Warcraft reference sites
Petopia - One Stop Pet Resource
MMO Champion – WoW News & gossip
Blue Tracker – When a Blue speaks and you don’t care about the chatter
Talent Calculator – Talent and Glyph planner
WoW Wiki – If you have been living on the moon, this is the Warcraft Wiki
NoGold.org – If gold selling is something you object to, join them.
Blog Azeroth – If you are blogging about WoW, you should be there already. If you consider starting to blog, there’s a ton of stuff to help you already, and the site is only two days old at the time of this writing.