For those who are not happy with MK's gimbal stabilization or want to setup a second tx for camera control, there are not much alternative, until Free Fly's solution hits to the market. I use Copter Control for gimbal stabilization. Its much cheaper and I get better results than MKs stabilization. Some tips: * First, level the CC. * You need to center the value of Roll channel in Output menu of GCS. After centering the value Save this settings. * To level the roll and tilt, just play with Potentiometers. If you do this centering from the software, it will level only one direction. * After powering CC, don't move it at least 5 seconds. * If the tilt travel is too short form the gimbal input, adjust the input range setting under CameraStabSettings top-right corner of the GCS. I'll post some pics of my setup. I'm using CC now for CS8 + 360 CS mount and CS6 + 2-axis CS mount.