I personally think everyone should have their own limit break bar that fills up during the fight and allows special attacks when they come into play. Not as powerful as they are now, of course, but it would allow something cool and unique to each class without worrying about who's using it. Personally, I think that would have been better than what we have now which is 90% used by melee, 5% by blms for AoE, 4% by healers and tanks to avoid a wipe, and 1% for others. It's just badly implemented.

It's pretty sad when you see a bard do a level 3 lb on Ravana hard mode and it barely does a sliver of damage.