This comment doesn't contribute anything to this thread. It is already discussed with math to back up the opinion that it is in fact too strong a couple of posts above.
Originally Posted by Balhale
MMO-C has the ret 4pc changed back in the upcoming build but it's still at 40%. Hopefully Blizz balances it now before release and we don't get a nerf in the middle of the tier like with the current 4pc.