Here are a few links I have come across. If I miss any please reply and I will add them.

http://eq2.ogaming.com/ The Alla of EQ2, they have an extensive dB

http://clanwhitestorm.com/eq2info/index.htm A decent site for those new to the game.

http://everquest2.station.sony.com/ The official EQ2 site

http://eq2.allakhazam.com/ Alla for EQ2

http://eq2.eqtraders.com/articles/news_page.php EQ2 Traders, much like the original.

http://eq2players.station.sony.com/en/players_index.vm EQ2 players, info on guilds players and news....rankings, magelo like, and item database.

http://www.eq2census.com/ just found this one...you can query by class, guild, race, level, server etc. Very spiffy for seeing how many people of your class are on your server etc.

http://eq2.tentonhammer.com (http://eq2.tentonhammer.com/) in depth guides and commentary about the happenings in and around EQ2.

http://www.eq2llinks.com/
searchable items database. it's in the works and is very new. hopefully before too much longer there will be a link bot.