BHB7 gave me the absolute most spin, pound for pound, but my elbow didn't particularly care for it. I've had a couple guys test it out and have the same issue. Absolutely amazing playability, but the stiffness of it (even though its amazingly soft for a poly) just didn't agree with our arms.
I believe what he says are nuggets of truth. And I collect them. And I store them in the lock-box of my soul. -JD