I have had both motors.
The EMP was as advertised and I did not have any complaints with its performance. You can wire the motor in either torque or speed mode, but to obtain both you will need the switch.
I currently use the PQ motor and found it to be a better performing motor. I have better torque and speed without the hassle of switching back and forth.
Yes, I am biased but I can honestly say from actual experience that the PQ motor is a better product.