There are few small things you can change which will help,
1. Waaay too much hit, all you need is 164, drop it somehow.
2. Use agility rings from ashen verdict rep and emblem of triumph, this will also help drop some hit.
3. Get t10 2pc bonus ASAP, I suggest get the helm next. Haste is not really a good stats for us.
4. You should really be using leather version of emblem of frost belt (I see you already bought plate one, but buy leather one once you are done will all other upgrades)
5. I assume you only have access to ICC10 loot, than pick atleast 1 ramaladin from saurfang and use it in MH, If you have access to ToC 25 man loots prefer to pick up 2 x dual bladed butcher (yeah they are low ilvl but much better than claymore) (you will also drop hit this way)
6. Gem pure arpen and try to get WFS trinket from LDW 10.
Apart from that keep a tight rotation, never delay WW or BT. If you have any log maybe that can help more to see if you have any rotation issues.