This is my setup OverDhill;
http://dangerdogz.com/forums/topic/10929-switchbox-mk3/?p=112712
The three knobs you can see in the photos control the three trim axes, pitch, yaw and roll. Prop ptich, mixture and rad control have been assigned on my stick and throttle. The 9 pin connector is for my rudder pedals.
And here is the bodnar board I'm using;
http://www.leobodnar.com/shop/index.php?main_page=product_info&cPath=67&products_id=180
Any questions, feel free to holler.
Jabo