My 7 has a vernier throttle which is nice for cross-country cruise settings, etc. but I prefer a non-vernier friction lock when maneuvering, landing, taxiing, etc. I came across this at McFarlane recently. Does anyone have experience with the "vernier-assist throttle control"?
http://http://mcfarlaneaviation.com/Products/?CategoryID=344&ID=97910471&
http://http://mcfarlaneaviation.com/Products/?CategoryID=344&ID=97910471&