So, I experienced the same issues as others here. I was tanking with a Prot Pally. He definitely would pull threat off me with CD's rolling, his dmg was ridiculous. There was no competition on AoE threat.
I think it's a combination of Prot Pallies being a bit overtuned and Prot Warriors being a bit undertuned.
The Glad nerfs seemed to really hurt our DPS. Here's some data to back up my experience. We are 6/7H, 7/7N, will be doing H Imp tonight.
He was #2 DPS (almost #1) on Normal Imp: https://www.warcraftlogs.com/reports...pe=damage-done
My Armory: http://us.battle.net/wow/en/characte...s/Git/advanced
Prot Pally: http://us.battle.net/wow/en/characte...Gramz/advanced