Lynxmotion sells Aurora 9 gimbals. "these gimbals feature high sensitivity, 8 ball-bearings, and adjustable tension. You can enable or disable self centering on both axis and enable ratcheting on the Y axis." Somebody mentioned they can be fit onto a 9x by removing a pair of tabs and soldering the wires.
Servo City has
pin crimpers at a pretty good price.
FMS Simulator Universal
USB Cable.
