Thanks mud, lol.
I think fritter fails to understand the technical side of it. For starters it is impossible for the transmission to split from 1-100% to 100%-1. The design of the GTR is to have rear wheel bias with a maximum of 50% torque to the front wheels.
As far as the other unit you refer to goes, it has a dial that is "infinately variable". This means it can change the aplification of the signal lineraly. This is equivalent to Map 1 on my unit, with a +/-80% adjustment (same as turning the dial if you like).
My unit also has another 4 maps, which give different handling strategy possibilities. For example, one map allows the GTR to turn in as it does now and then bringing in the front torque harder on corner exit. Ideal for power increased cars with oversteer on exit. These can then be fine tuned by digital adjustment (turning the dial). Check the manual for the description of the other maps. So I don't have 4 to 5 settings. I have a range of +/-80% across 5 possible strategies.
So your reference to infinately variable on the other unit is a bit miss leading being only a single adjustment.
At this stage I could also discuss the real time display of the longitudinal, lateral and 4WD split on the LCD screen as well as the capability to log the data at up to 20 samples a second for post run analysis.
I am happy to discuss the functionality and features of my controller, and encourage any comments.
Paul