My understanding is that stacking mp5 from gear or enchants is relatively useless for resto druids (especially versus intel and spirit). Additionally, the Kirin Tor head enchant (30 sp and 20 crit rating) helps regrowth proc the nifty Living Seed talent.
So, basically, is there a strong reason why the Kirin Tor head enchant is rated 3 points lower than the Wyrmrest (30 sp and 8 mp5) for resto druids? I do realize that the crit could be more beneficial to other classes (holy pallies in particular), but the minimal amount of mp5 for a resto druid sitting at about 300 mp5 from intel/spirit just doesn't seem worth it to me.
Nyana on Shu'halo, just curious ^^