Hello.

I'm raiding in a 10 man's group right now, with the combination:

Tanks:
Death Knight.
Monk.

Healers:
Priest(Me)
Holy Paladin.
Restro Druid.

Dps:
Monk.
Warlock.
Warrior.
Shadow Priest.
Hunter.

This result that we have to use our hunter to do the Blood Lust and lose some buffs, like the Att.Speed.

Now, my question is, would it benefit the raid team a lot, if I go Restro shaman instead of a Priest?
I'm asking this, because I have to level it(It's level 80 right now, so that's not so bad), Faction change, and get gear again.

Playstyle wise, I don't really care. I like healing and supporting, so I do what I can to help my raiding team, but I'm a little curious, if changing is worth it?

Feel free to tell me if you need more information.