These keep getting passed around in IRC, it's good info

http://wtfismygearscore.com - will tell you what the gearscore addon reports your GS as.


The useful one is: http://elitistarmory.com/

This will report all your gear, tell you if it's for your spec (tank / caster dps / healer / melee) and show you raid experience. Good for being used as a pug checker too.