Elemental/Enhancement PvP Shaman

[Watto44]

Let me preface this by saying that, yes, I do realise that 30/0/21 is probably the optimal build for shaman PvP, and, yes, I know that the straight up utility of nature's swiftness probably out weighs anything else in the shaman trees. That being said, I'm enjoying my build at the moment and want to see how it plays out at level 60.:)

Well, onto my questions...

My little 49 shaman Treggles is nearing the stage where he'll be leveling out, and I thought I'd pop in here to try and finesse my build.

The basic build is 21/30/0, but I'm feeling a little torn as to how I should spend the 21 points in elemental. To the nitty-gritty: I'm wondering if I should pull points out of Convection - which reduces the cost of my shocks and lightning spells - and put them into Earth's Grasp and/or Elemental Warding - which, respectively, increases the radius of earth bind and decresses fire and frost damage taken. On the one hand mana is always a huge issue with shaman, and managing mana well wins you fights. Would the increased survivability granted by Elemental Warding counter balance that? I'm also dubious as to the usefulness of Earth's Grasp. I have it at the moment, and I'm not that impressed. It doesn't help you catch runners, and kiting someone with in the radius of a regular earth bind totem isn't that hard. (Or at least it wasn't back in the day when I was playing my 60 shaman.:)) Have people played with and without Earth's Grasp recently? Have they noticed a difference?

Next point: is it worth taking a point out of Reverberation and putting it into Elemental Devasation? On the one hand that would increase the synergies between elemental and enhancement at the cost of a mere 0.2 seconds of extra cooldown on my shocks. On the other hand, shocks really can be life and death to a shaman. Does a potential extra 3% melee crit outweigh that precious 0.2 seconds?

Final point: I have a floating point in enhancement that I've currently got slotted into Anticipation - giving me an extra 1% dodge chance. It could go in any of the following: improved weapon totems, improved lightning shield, shield specialisation, or toughness. Imp. Totems seems to be the only real contender, as it's great fun to drop windfury totem when you're grouped with a warrior. (It gives you something to do while you're waiting for grounding totem to come back up and your warrior will love you eternally for it.:)) The bonuses from shield specialisation seem really "meh" from a pvp perspective, and an extra 2% armor isn't really singing out to me, although perhaps it will help with those pesky rogues.

Any feedback on those issues, or the build in general, would be greatly appreciated.:)

PS. For anyone who's curious, here's my build at level 49. I should probably change it, mut I'm too much of a miser.:)