Lava flows that can be dispelled is a f**** retarded mechanic btw... dispell flame shock on target + dispel lava flows on ele. Ele -> double fucked. There is no way any good dispeller should not take of flame shock.

I doubt a full mastery build is viable tbh compared to a full haste build. Having my shamans now at 1800 haste which accounts for a 1.6 LB cast and 20% overload (missing 3-4 pieces of 371). With a full mastery build I'm near 30% overload. But with 1.9s cast on LB ... The difference is pretty huge. Trinkets I'll be using are the sp on use (http://www.wowhead.com/item=70518) and the mastery on use from the molten vendors. So far I've been running around with mastery proc The ability to combine mastery trinket with on use sp is pretty crazy burst.