Kinefinity made a big splash last year with their KineMax 6K, which is not only powerful enough for professionals, but offers internal 6K, 4K, golden 3K/2K, and 1080p with 14 stops of dynamic range at a relatively affordable price.
With the camera's release inching ever closer, Kinefinity has not only significantly lowered the price (more on that later), but they've released the first footage shot with the camera in 6K, as well as free downloads of the RAW material. (You can get them here.) Here's the list of the gear used in the video below: