For one, stop gemming crit. Getting hard capped is far better than crit (after that you gem strength). You could get the relentless earthsiege meta gem, as it only needs one nightmare tear (think thats the name) to activate it.
Your talent spec could use some improvement. Heroic Fury is very nice for ICC, and do you really need imp. cleave? Get Booming Voice and Commanding Presence instead.
Also, I'd get Gatecrashers Gauntlets instead of the t10 ones, and get t10 chest. You should also get a new MH wep as soon as possible, Bryntroll is pretty bad for fury warriors.
8,1k dps on fester is not optimal with your gear (also a bad place to check your dps because of all the incoming dmg, check on saurfang instead). You should make sure you have all the buffs you can get, things like Icy Talons and Windfury is a huge dps increase for us.
I'm not sure about your rotation since you havent posted a log of it. My rotation is: WW > BT > Slam and spam HS as much as I can afford, use recklessness when WW and BT is on their first CD and then pop death wish.
Think thats about it for now.