Indeed....
WHY... Did they have to go and do this change?! Sure, for skills that don't have a cooldown it ain't a problem, but the longer cooldown they now have, the more time you will try and use it, only to have it not work cause there is still a small dark line in the bottom, and I really don't have time to sit with a magnifier glass too see if a skill is up or not and ready too be used!
There is a simple addon that came early in WoW, and never ever dissapeard, it was called "Omnicc" all it did, was change the field that slows dissapeard to show the cooldown of a skill, into actual numbers, so on each icon you had a number counting down until the spell was done. Its simple, easy to ready and understand, and never ever any misunderstandings!
please give us something like this, or the option to have it... if not, at least revert back too the way it was before so we were able to see if things were on cooldown!