Im not a fan of rng proc ticks like on MCH with his slug/clean shots, nor drawing cards til we get the one we want (Balance). And then again, procing certain buffs could change playstyle of various jobs and their rotation. While you would like to burst the boss (or mobs) in your opener, you would wait for the proc to tick, use and then use a gcd skill (resulting in time loss). In raid content, this could mess up alot of things. I wouldnt want to hope for a tank cd proc to survive next tank buster. But, for now lets wait for 4.0 cross skill revamp ヽ(･ω･ゞ)