My 3 groups (PvE and PvP)

Hi, been batting around some ideas for both PvE and PvP teams, making the most of RAF. My decided teams so far are as follows:

PvE: Prot Paladin, Ele Shaman, Balance Druid, Arcane Mage, Disc/Holy Priest
PvP (arena): Ele Shaman, Ele Shaman, Ele Shaman, Ele Shaman, Solo Resto Shaman (controlled by a friend)
PvP (BG): Lock, Lock, Lock, Lock, Solo priest (controlled by friend)

Other chars: Prot Warrior (To switch with 1 Lock or to accompany my shammies to heroics for PvE), Rogue

Viable teams for the task? Your opinions much appreciated :)

maybe for pve make the mage frost for replenishment.

Pve: Your gold
Pvp1:Bingo
Pvp2:I've read bad things about all clothy teams... they're squishy regardless of how you spin it.

Warlocks make up for their cloth squishyness by having high stamina and soul link which transfers 20% of the damage taken to the pet. So you end up taking about the same melee damage a plate wearer would but a lot less spell damage.