Previously, the difference between a RR set versus a Customized set was the sacrifice of 18 damage for 18 H/s.
Now, for the sacrifice of 12 damage, you get 18 h/s, 5 more crit, 2 more dodge, 2 more m/s, and 2 more armor.
I'd say that's a pretty damn good deal.
edit: Here's the before (left) and after (right, post-GCD) picture:
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