At the end of the day, ACC only adjusts a valve on the damper body that regulates the oil flow of the damper.
So, dampers are model specific to start with...fitting Match dampers to a GTI would completely bugger up the GTIs handling.
There is only a finite amount of adjustment available on the adjuster I'd imagine...it's only a 2 pin connector, so the min to max orifice will be set...so regardless of which controller you fit, you'll still only be able to control within the physical limits of the model specific damper.
I would imagine the controllers are the same with slightly different maps maybe, for speed of response...but I very much doubt that changing any one controller for another will give massive differences on AC function if the dampers remain as supplied with the car.
Personaly, I find the GTI settings pretty spot on. Standard is as you'd expect a well honed hot hatch chassis to be...comfort is under-damped and wallowy...sport too harsh for most roads nowadays..but the steering map changes do allow you to get the tail moving a bit.
