I want to start a new Team.. my Setuo will be

Prot-Pala
Ele Shamy
Arcane Mage


Priest( Holy,Disc).

so i need a DPS Caster . what should i take ?

I need High and Simpel DPS..Would you go with

Destrowarlock ? Druid ( 5%Buff ),Hunter ?

Hope you can give me some input.