weak dps as enhance
1. Enchant/gem anything that is at least iLvl 463. You'll no doubt be using that gear for a while yet, so you might as well get it properly set up. Anything that isn't 463 should be left alone until it is replaced with a 463.
2. You're a bit shy from the Hit cap and more so with the Expertise cap. You should aim for a Hit rating of 2550 to be capped. And for Expertise, you need 2550 rating as well UNLESS you go with 2 Maces since Dwarves get a bonus with Maces, so you need a rating of 2210 to be capped with 2 Maces.
3. You still have some gear that needs replacing, so don't expect too much when you still have greens to be replaced. Just bite the bullet until you're in mostly 463s and looking to start raiding.
As the others are saying, your rotation is everything. The Hex glyph can be dropped, and replaced with Flame Shock. This will allow more Earth Shocks, which increases DPS.
Even so, 15k is very low. I was pulling more than that in level 87 greens I bought from the vendor in Halfhill. Can you explain your rotation? We may be able to help you more if we can pinpoint the problem.
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