I know you’ve seen Revisited before, but just for handy, you should look through the changes gallery for Revisited if you haven’t:

I know your approach is more modern and radical, but there’s many changes I would say that are worth redoing for your project.

Also, I’m assuming you’re doing this project at 1080p? Just in my experience in working in 4K for my prequel regrades, it’s one hell of a hassle.