Survivability-wise, 250 AR is pretty low, and your life could also use a little more. You could probably scrounge up more AR on your nat's chest and switch over to a mempo, though to maintain DPS from your andy's will be expensive. You could also look to get a strongarm bracer with vit or AR instead of str. A litany of the damned ring could help EHP too, though you may lose a little DPS.
As for damage, you could get more dex or a socket on your DML, though your DPS is pretty high already, so most of what you'll be getting damage wise will be trying to squeeze every last drop out of each of your slots.
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