So, I've thought of a few combinations as to how this works, and I've kinda come to the conclusion that my stat allocation will be based almost fully on whether the mechanics of the fight allow strong consistent use of mushrooms or not. I'm thinking a full on mastery/crit build if so, and then if not, perhaps mastery/spirit (with mastery having priority), and reaching whatever reasonable haste caps there are for wild growth and rejuve.
What are the resto druids here thinking? What do you consider an "average" build?
I feel like a lot of this is really up for debate, which is why I'm most interested in hearing what the best have to say about it?