EQatlas.com - Great site for maps
Allakazam - Awsome items guide
Illia's Beastiary - Huge beastiary on lots of zones
Now for the non-EQ stuff
Homestartrunner.com - Damn...just damn. Aparently, this was supposed to be for children, but the stories never caught on, so they just took all the characters and focused it tword adults. I would check out the Strongbad e-mails, under toons first, they're hilarious.
Penny-arcade - This is just for anyone who has ever loved video games...ever...