Quote Originally Posted by Gideon Falcon View Post
So much awesomeness...

Just to make sure, when it says mithral weapons gain the speed property, does that mean the +3 bonus equivalent ability to gain an extra attack on any full attack?
Yes that was the intent, though looking at it compared to the others that does seem to be a fair bit better than the other weapon properties, given most of the others are +1-2 enhancements.