Some fun and useful links for all...

Our Armory Page - Featuring our guild roster and other info. 

WoWwiki  - Tons of information about the game and the lore. The articles about macros are especially helpful.

Wowhead - A clean and pretty accurate database of items, quests and more.

WoW Interface - A one-stop shop for all things involving interface modification.

Class Loot Lists - A great way to plan out all the gear you want for your class (and your spec!) and where to get it.

WoW Insider - A site with up-to-the-minute WoW news summaries presented in a simple format.

Warcrafter - Another great gear planning site that adjusts your stats as well. Not perfect, but very useful.