I'm not a big expert in that price range, but the main thing I notice is that you have more lifesteal than you need. I'm not sure you can afford a decent Witching Hour, so you could think about swapping your off-hand for an EF with crit damage until you can. Once you can afford a decent WH, you'll probably want an EF with a socket and lifesteal, and probably an IK chest piece to make up for the lost 3-set bonus from the belt.
Also, you aren't getting the full damage bonus you could be from Zunimassa's due to your main-hand weapon having an elemental bonus. If you get a similar damage-range black weapon (a weapon with only physical damage), you'll get a slightly bigger boost from the Zunimassa's.
Skill-wise, try to dump Warcry for HotA:Smash if you want to boost damage vs. elites. Brawler can also be a big help if you can also survive without Superstition. Also, most people find the Hurricane rune to be much superior to the Dust Devils rune for WW, so I'd give that a try.
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...and if you disagree with me, you're probably <insert random ad hominem attack here>.