I have hacked gopro3, two gh2's, gh3, gh4, 5d mk II , bmpc, & gh4.
Currently my fav's for flying is gh4 or video and photo's. If I wanted to print photo's to sell, I'd put up the 5d mark ii. Gh4 does not get the clarity that the 5d mark II does on photo's.
If I were shooting for a hollywood...