We own an MK-V with V4 electronics Steadicam rig with a Fossett Exo-vest and Steadicam G-50X arm capable of holding between 10lbs and 50lbs.  The MK-V has 2 HD-SDI to handle live situations or 3D.  It can handle any size camera.  It has 12/24 V connections and can power any camera.  We can shoot for a movie, commercial, corporate, Live Multi-camera event, or anything else you got.