Now Im doing this tried because someone posted in a previous thread about how 2 clerics in a Party is not good. Well FYI i find it very nice. I find the clerics heals work very well with the defuffs. (actually a cleric in any group with another healer works just as well) I have been with another Templar in parties and one templar takes up debuffing and back up healing, and the other templar takes up main healing and status cures. BUT, in a group last night we were fighting 'orange ^^' and i was the only healer. I had no prob keeping up with the heals. Had no issues keeping the add ons or multiple mobs. Mark of pawns, Sign of weakness, BoV, weakness, debout, then i use small mana heals.
Just make sure your tank is updated on armor.