Eric,

It's interesting that the Jeti people would say that an Advance 77-3p Opto controller is a no go for a 10s pack, and that 24 cells is the maximum when they advertise on the label that the controller is intended for 12-30 cells.
I have about 22 flights on mine with the NeuMotor setup on a 10s3p pack and so far so good. I have the timing set on "hard" and on the ground I'm pulling 55 amps. After a 10 minute flight the motor temp is about 105 degrees F, and the controller is about 120 degrees F.

Regards,
Pedro