Honestly, the level 30 talents are pretty underwhelming. I've spent most of my time as Windwalker and Brewmaster, but I'm just not using these talents very much if at all. I have a lot of keybinds and these keep making their way onto weaker and weaker binds. Basically, all the absorbs (Guard, Diffuse Magic, Touch of Karma) and Expel Harm do most of my self-healing. Zen Sphere doesn't really seem to heal for much at all, and neither does Chi Burst. I haven't really tried Chi Wave yet, but if its anything like the other two...well, this tier really gets overshadowed by Expel Harm. I use THAT like its going out of style.
I've only healed 5 man heroics, but I'm not finding much use for these talents there either.