Well I caved in and bought the new US blu-ray release in SD. Both the English and original Japanese episodes look pretty dreadful. I mean really bad. I’m not sure if it’s better or worse than the UK set, but they’re all bad. The motion on the new blu-ray is particularly problematic. I wouldn’t be shocked if I learned they transferred them from the PAL tapes. The motion is really odd, and the image is very blurred in general, with very bad aliasing. I think the French set is the only worthwhile set, but sadly of course it’s not in English, and rather pricey now I think.
I do like that the original Japanese episodes are included, and they do look different than the English episodes (slightly different aspect ratio and colors), but neither is particularly watchable.