I'm not that into hardcore into pvp but I want to get a pvp team going for kicks. I have a mixed holy trinity team now, and they can't really pvp as there is no fear mitigation. I have a druid and was wondering if I should make 4 shammys or 3 shammys and partner up with the druid. I have a rl friend for arenas and in bgs I will probably just run 4 dps when he is not around.

So is there a wide difference between using 4 shammys as opposed to 3 shammies and a boomkin. I think the only thing is one less set of totems but I'm not sure how bad that really hurts in pvp? I'm a pvp noob to begin with.

Plus with wotlk around the corner the druid might add even more synergy.
My friend is a pally btw.