For DPS build it seems good, as finisher move misses really hurt.. and it is 10 expertise, not 10 expertise rating, so (at the moment) it is about... 2.5% dodge/parry reduction?
Assuming i'm reading it right. For a DPS build I think I'll go ...
http://talent.mmo-champion.com/?druid=55020213232201005312003031351005503012000000000000000000000000000000000000000000000For a Tank build.. I think I'd have to skip it.. Depends on what sort of expertise would be available on the gear we'll have.. but with druids being uncrittable (when spec'd), there's room to socket the expertise if needed. this spec also skips the imp lotp buff, sadly - there's just too much that is good for tanking (for me) to pick up this talent as a tank spec..
http://talent.mmo-champion.com/?druid=55023213032001035310030301351005503012000000000000000000000000000000000000000000000Hard to say, this could all change when things go live, but atm, this is my choice of builds.