4x ele sham + 1 druid - what to spec?

[Cheesepile]

I'm leveling 4 elemental shamans to run with my 80 druid main. What I'm wondering is what spec would be ideal for my druid? I'm keeping PVP in mind. PvE I'll dual spec 1xferal, 3xele and 1xresto.

Feral - no range gap which opens the team up to damage faster. stealth doesn't help with four unstealthed behind me. cat form speed increase messes up FTL. doesn't seem ideal. cats also seem pretty squishy. matching rotations with the shaman seems like it would be a nightmare. i suppose i could bear tank to sponge up dps, but comparing to a tree that could be healing makes this seem to fall short.

Moonkin - ranged dps. not terribly squishy. typhoon doesn't do anything thunderstorm doesnt. roots would be good for keeping distance. dots would match shocks, but with no cooldown i'd be again playing with a rotation that would need some tweaking.

Tree - good healing, cheetah could be used with instant cast ghost wolf when escaping. possibly a little too redundant with chain heals from the team? not sure if the dps loss would merit a dedicated healer running up front. We all know how crappy things go when the leader dies though, this seems the best way to prevent that from happening of all three specs.

Any thoughts or previous experience with any of these comps? I'm leaning towards tree for pvp and feral for pve. Feel free to discredit anything stated above, these are just thoughts and brainstorms not tried and true observations.

-Cheesepile