Yes I still plan a "faux-HD" upscale, probably for all three. I'll probably finish the DVD5 first, so that I can include the explanatory doc, menu, etc. Then the upscale should be easy for those who want to examine the mouse droppings more closely.
As to an ANH'81 capture, I hadn't thought of it before. I can't remember anyone offering to loan me a print. If one turns up, sure I'd consider it. It would have to be an excellent print in excellent condition. Those aren't cheap when they turn up on eBay.