This subject (head height as you move back and forward)is a constant source of annoyance to me and you guys have suggested the only work arounds I know.
Because the track IR sensor is either on top of or under the screen then as you move head forward or back the relative height of your head changes...........
It would be neat if the guys at natural point could allow us to set an axis that was not relative to the sensor..............
e.g we move our head forward and click reference 1 for centering we move our head back and click reference 2 for centering and save the two points.
Then as we move our head back and forth along this axis we would always be centered and our other head movements are reproduced against this with respect to our various profiles.
Skuzzy please move this to Natural Points BB wish list if you so desire............