anyone run these yet??? they look fast and are 2.2 width.. My current irc mibro seems a little sluggish on the rear.

Thinking of trying one of these, but hesitant to put in the 40 bucks on a tire with 2mm center knobs.. 2mm doesn't seem like a lot of room for wear. The python I had was great until the center knobs wore off quickly. are these wolverines any better in the wear department??