Haven't been on here for a while.
If people haven't checked it out, here you go.

I have to say these 2 balls are outstanding.  With the amount of balls we test, I'm not wowed often but my initial impression is that Motiv hit back to back home runs here.

http://tamerbowling.com/motiv-tank-blitz-bowling-ball-review/
http://tamerbowling.com/motiv-supra-bowling-ball-review/