I imagine you’ve seen all these already ADY, but others who haven’t been on the forum so long may have not seen them.
https://drive.google.com/drive/folders/0B3yF2t_dm8BXUHNrY2wwMHNoa1E?usp=sharing
Years ago a member called SSWR made a bunch of small, yet effective, edit ideas. I didn’t manage to get hold of all of them before he took them offline, but there are some nice small ideas for ROTJ.
I have to say, these are really great mockups, and make changes seem remarkably feasible.