Healing Direction - is the current design balanced?

[Kiote]

But you don't even know how much that single cure will do @ X lvl.....

This is not really relevant..

The issue at hand is what are you going to do when you need to cast two cure very fast and you only have one that is in recast timer after the first cast. It'snot like they can eliminate the recast timer or we would be right back to step one where a healer could just never stop healing and we would all be invincible all the time.