Also Bare in Mind... Even DoT's can put them one Point above Again, So if a DoT is on the Target Get RoH/BB ready BEFORE you Use Provoke.
Alot of people don't Get that move ready too use before they provoke, or use it after it.

I Actually needed too WORK at Keeping Aggro afew Days ago on Halitali Hard... Makes a change as a Warrior.