Go arcane. Its a two button setup, and most thing die before getting to you. You could run a frost in the mix for the slows/pet freezes if you want.
I dont thing for leveling it matters. Killing isn't the problem, looting is.
I am partial to fire.
Here is a vid my friend made:
http://www.youtube.com/watch?v=tpGz4W3YNDk
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