Dk/Hpally team....and more

Rolling a Dk/Hpally team, I have 4 additional account not being used. Trying this out on Horde for this first time....so no additional characters at 80, they would all have to be lvled from the start. I do realize Tol Barard would be the only place i could actually PvP with a big group like this, but I have the accounts.....so might as well take advantage of them. And Horde is the faction on my server that is always low on PvPers....so Im guessing really good chance to always get into TB.

Anyone have some ideas on what additonal toon/class added to this that would blend in well for PvP.
Guessing............adding two melee and 2 healers. Maybe druids for easy wg spamm. Would it help to add more dks or Enh Shaman or Ret pally?

Whatever, I end up rolling it would be a long time down the road, but i am just trying to get setup now just incase i ever really push it hard.

The general consensus from the DK Manifesto thread is: Holy Pally if your focus will be arena, or Priest/Shaman if your focus will be battlegrounds.

Any of the healer types would likely work, as the key to the team is the DK's, necrotic strike, defensive cooldowns allowing for initial uninterrupted burst and death grip which negates roots/snares.