I'm dissapointed RR, can't remember me??
I have Wavetrac fitted, chose it for the ability to work under "zero" grip, for instance when one wheel is in the air. Works flawlessly for me.
If i should chose another one it would the the high torque one from Peloquin, I think it's the best built one of the 3 and you get everything included when buying (except gearbox) as opposed to the competitors.
Peloquin