I was also considering Brunner yoke. My primary interest was proper trimming like in a small GA plane (trim used to neutralize the pressure on the yoke). I was not so much into vibrations or changing stiffness of the yoke depending on the airspeed.
But Brunner price is too steep for me (and my marriage). So finally I decided on 50 euro + 10h of work mod of my Honeycomb Alpha yoke which implemented the natural trimming behavior: