My idea would be as follows:
Your Renewing Mists Crits have an X% chance to proc Thunder Focus Tea; doubling the healing done by your next Surging Mist or causing your next uplift to refresh the duration of your Renewing Mists on all targets. This effect cannot happen more than once every X# of seconds.
I feel this small change would make monk healing feel a little more smooth and natural rather than cluttered with buff upon buff upon buff for one healing ability. Right now AoE healing consists of Spinning Crane Kick, which doesn't heal for a whole lot, or stacking Renewing Mists (More mana conscious of the two methods), using TFT which at times can be cumbersome when you're paying attention to how many people you've spread it two, instead of doing more productive things like keeping the tank alive.
Also, change Zen Meditation so that it absorbs all kinds of damage, not just spells, so that then Mistweavers have a useful raid CD, and not just a minor situation CD (good for only a handful of fights). Cause right now, monks have nothing, and now they're not even top dogs on the healing meters.
Besides ZM, the only other CD we have really is Revival and Life Cocoon, and their usefulness is lacking in compared to other healing class CDs.