I recommend this build for Fury warriors, with 1 floating talent point (Heroic Fury, Imp Berserker Rage, and Piercing Howl are all fine choices for it).
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Oh, 7 points in arms can go pretty much anywhere, just make sure you have 3/3 imp hs, and then full impale, deep wounds and 2h spec.
You should probably also take a look at tankspot.com and elitistjerks.com for more theorycrafting and build explanations.
Fury Warrior build
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