So I'm thinking about releasing two versions: an oldified film version (like I have been working on most recently) and the closest recreation of what a 35mm theatre print would have looked like in 4K.
http://screenshotcomparison.com/comparison/78535 (comparison is in between untouched 1080p image and 4K upscaled w. filmic adjustments)
It would be the best of both worlds, one that keeps relatively pure to the original theatrical look, but having a 35mm appearance, and one that aims to look the same age or older than the OT film look. ROTS is already complete for its theatrical print recreation. I went through a lot of research to get the movie to have the same look as the film stocks it was printed on for movie theatres.