Originally Posted by
Andenthal
I'm comparing them because they are both purely threat stats. True, Hit/Expertise scale your damage multiplicatively. While Vengeance is a linear scaling mechanic, it scales much, much faster than both Hit/Expertise combined. Going from 0% Hit/0 Expertise to 8% Hit/26 Expertise will not triple your DPS. Going from 0 Vengeance to 100% Vengeance will triple your DPS - and it does it regardless of your Hit/Expertise.
Although, I admit, I could have worded my previous post better. It makes it appear that I condone completely forgetting about Hit and Expertise, which I do not.