My spreadsheet says you did, and it's 98% right. Most of the time.

Well, not to revive a dead thread, but my mage is hopefully going to finish 65-70 this weekend so I can start arena'ing with him and I was looking at an elemental build. I played a mage pre-BC and always wanted to try elemental, but it didn't really seem viable back then. However, with 10 additional talents, I really want to try it, so here's what I've come up with:
http://www.wowhead.com/?talent=kZEgRz00cReRbVbrho0xo
Fire will obviously be my main damaging spells, so I picked up some of the imp snare/freezing frost talents- I don't plan on shooting many frostbolts other than rank 1 now & then. Any input would be great, thanks

You will rarely have time to shoot fireballs.

If you have any points in fire, 3 points in imp fireblast, or don't go fire at all.

A build something like this would be better if you want to PvP as elemental.

http://www.wowhead.com/?talent=kZVgGzf0cReRZVoGho0xo

Only a few points have been shifted, mostly to focus on scorch over fireball.

re: don't go fire at all w/o imp fireblast

What about 0/7/54 (impact proc for molten armor plus range for fireblast)? Would 0/10/51 be better?

re: 61 frost

Does anyone use imp blizzard at all for the improved snare effect? Assuming rank 1 works fine as the damage is laughable at any rank and mana matters.

Re: Elementalist: This build is kind of a tightrope walk between doing damage and using mana. You really have to be careful with maxed improved fireblast and cone of cold because they drain mana pretty quickly. Also if you're going to use fire for most of your damage, try and get as many points as possible in firepower. I always preferred a 0/38/23 variant, because molten fury is pretty incredible.

Lately though I've been loving arcane/fire. Spamming improved mana shield better than iceblock? Discuss.

no. :P

Yeah, I guess it's because I rarely do 5's, but I'm pretty convinced that arcane/fire is the best possible arena spec for me right now. I'm on a 3v3 with a multilate rogue and priest, so being able to take someone out of the fight right away is what gives us wins. We run into trouble not when I get focused, but usually when a rogue takes out our priest.

And honestly spamming mana shield with prismatic cloak has gotten me out of a lot of situations in which iceblock with hypothermia would not have.

Interesting, note taken.

I'm quite interested how do mages generally gem their pvp gear, all the way sta/res gems or dmg/crit.

I do know its more about play style but by watching the armory there wasnt any general consensus in my opinnion.

On the gear note - I have recently begun to get involved in Arena, although not seriously enough to respec weekly yet.

I'm trying to decide which pieces of gear to get first. Is going for 3/5 S2 and 2/5 S1 for two 25 Resilience bonuses worth it? It seems to me that the pants and gloves from S1 would be the best two pieces relative to the S2 gear if I went this route, but I'm not sure what the best order to buy everything is. I am currently leaning towards getting the gloves first, but I haven't decided yet.

My current weekly point income is just over 300 for my slightly over 1500 3v3 team.