I would love to gather as much workprint footage as possible from the OT, I wish I had full access to the archives back to the animatics and just how they cut together those old WWII movies for the trench run. Would be a great educational piece to recut the trilogy augmented with their original conception.
There’s been a decent amount of outtakes and such shown at SW conventions in the last few years, so hopefully someone will at some point bother to at least give us a little bit of the workprint just for the novelty of it, ideally, as you said, one of the scenes with WWII footage in it. They did release some of the original version of the cantina scene so hopefully that means that they have a print somewhere in the archives, but this is Lucasfilm after all, so I’m not exactly expecting a proper release anytime soon.