I have not been happy with any after market Phantom Cockpit. I am not saying anyone's is bad just all have the same problem aft cockpit is too short. The main differences you will see are in the shelves on either side of the aft cockpit. All the current after market kits chop them off thus causing or allowing the rear bulkhead to be slanted to match the seat angle. For the most part the rear bulkhead is actually nearly vertical. I have been kit bashing/scratch building one on and off for "years