Eteocles said most of it.

Just want to add later on Priests get Prayer of Mending. It bounces everytime someone takes damage. Being in a 3hunter party/warrior/priest , I've seen the 3 hunters (all BM) use their pets to offtank 1 mob each (3 CC), and with renews, mend pet, and an insane! amount of PoM bouncing around Keep them up in most heroic elites. (PoM is dirt cheap mana) . CoH aoe healing FTW

You may want to consider that :P