In my quest to become better: and to get my Shadow Damage up – I went hunting for some armory crawlers, any useful sites I find I’ll link here.
Armory Crawlers
Warcrafter
Gives you a break down of your gear and abilities
IMBA : Character Auditor: Gives some advice as to character improvements
Wow Heroes Simplifed Gear List
wow progress A very detailed crawler that lists things like last peice of loot by boss by guild, members who have joined/left with an rss feed so that you can ’stalk’ a person or a guild..
WOW reputation Calculator Calculates howmany runs of an instance you need to do to get that exhaulted rep.
Other Places of Interest
Gankbang: Compare yourself against others in your Realm on various stats ** Has not been updated for Wrath
Loot Rank : Rank your loot
Warcraft Realms: Gives you a complete Guild history at Level
WOW Jutsu Guild Progression crawler
Pugchecker Displays the Instance history and sucessfull completion of players
And some of our favourite reference sites
Wow Wiki
Thottbot – Quest Helper and General information and itemisation of everything
Boss Killers – For Boss strats and Information
Twistednether Wiki A list of Warcraft Blogs, and alot more utility tools then I have listed.
Provided by 
cool!!!