While I'm waiting for more ROTJ 35mm footage, I decided to take Team N1's Grindhouse release and start experimenting with it for ESB v2.5 and here's the first result:
https://drive.google.com/file/d/0B0dtCY1O9WXzcWI3YU5KUjRKOW8/view?usp=sharing
(In order to see the full quality, you have to download it, not just watch it in your browser.)
The cleanup is a bit too aggressive for the Team's project, of course, but it's exactly what I need to make it fit with the BD footage in Despecialized.