Arsenal DPS spreadsheet

[Qed]

Resulting from this, here are the level 51+ purple items you might want to steal enhancements from. Assuming that it's fairly easy to cap out hit and alacrity not affecting instant abilities makes it fairly shitty, it lists items with no defense, alacrity or accuracy, so you can fill in your items appropriately.

http://www.torhead.com/items/catg/2/mods...asequality

The short answer is: Start looking for columi and champion helms and gloves.