I am going to be maining my Shadow Priest in MoP, so I'd prefer to take her even though she's not as geared as my resto shaman. I'm willing to play either, however.
I have vent/mumble and a working mic. I have 6/8 HM kill experience and spine experience as well.
Resto shaman: http://us.battle.net/wow/en/character/bonechewer/Zuzue/advanced