Yeah man! They make some pretty sweet stuff! Just expensive, but as the saying goes you get what you pay for!
5v control, .5v-4.5v variable out on 2 channels 4.5v-.5v on the other. 2 channels the voltage rises with pedal position increase, 1 falls w/ pedal increase.
dang looks like its coming along pretty darn good! what turbos are you running?