The amount of dumb people with their emotional theorycrafting is astounding. I thought it was common knowledge at this point that the order of optimal threat stats was str > BV > Hit > expertise. But seeing as we've all caught the stupid, let me post that link again for you.Originally Posted by Keilar
Notice that in the hit rating graph, at no point does hit become better then strength. The only way for hit to become better then str/BV is to hit the BV cap for ShoR. You need about 2900 BV (from a combination of STR and BV) before this becomes the case. This is not something any maintank reaches because block is not a stack worth stacking. If we're to look at the BV items worth using in ToC, there's only two (the tier helm and the heroic 10 man shoulders).
You don't need any hit rating for ToC. The sole reason for hit is the possibility of taunt sensitive fights, of which there is one in ToC (Gormok) and if you're taking hit over defensive stats for Gormok, you're doing it wrong.
Now, back to what I was talking about, emotional theorycrafting. No one in this thread advocating hit rating as important has come up with any reason why. They've posted how much hit rating they've determined appropriate (whether it be the cap or something else). There is no reason to do this, other then the unrealistic assumption that that a tank will miss on every global.
Let's assume you're opening up on a fight. This is the only point in which a dps will realistically pull from you. On the run in, you get one global while running and one hit on the boss before dps open up. That allows you to use hand of reckoning, AS, and ShoR before a dps touches the boss. Assuming anyone of these lands, you will be able to start your rotation and maintain aggro.
With zero hit rating, you have a 0.0512% chance of all three missing. I don't think a twentieth of a percent is something to worry about, if 0.05% of wipes are your fault, you're doing pretty good.