Are you kinding me, He is like amazing i mean he works so much on just double bass but he is really fast and its hard to beat him.
Assuming double kick and speed are important - which they arent by themselves - I can think of at least a dozen metal drummers out there that would bury him in both departments.
Dont get me wrong - Jason is doing some great things for the metal drumming community, and when people get excited by his playing and study his every move its only ever a good thing for drumming. Im simply saying that I didnt see anything in the MD DVD or hear anything on his albums that really moved me.
To each his own.