I have one that is mostly fire, and I'm starting another one and thinking to
spend it on arcane..
thank you
Robert
p.s. Hopefully this one wont be afraid of heights.
Something like a 40/0/21 build can work pretty well.
You may wish to swap out Cold Snap for a point in Arctic Reach.
(http://www.wowhead.com/?talent=obxVc0fzxIziZZVA0coc0o)
Primary nuke in this build would still be Frostbolt. Although you can do
decent damage with all schools.
A similar apporach can be taken with Arc/Fire but I've never bothered with
it so can't say much about it.
Perhaps http://www.wowhead.com/?talent=obxVc0fzxIziZxg0zfc would work. Maybe
someone else here has a better idea with respect to Arcane powered Fire
trees.
Xera
Here is a good guide on mage specs from Nihilum