I believe, which others can confirm no doubt, the your Library Of Congress has prints archived.
Many people have indicated that Luca$h has the negatives of all his films at Luca$hFilm and I'm sure they could confirm it.
These DVDs are pathetic.
Don't get me wrong, in some cases I would accept a non-anamorphic, low budget transfer. From a small production company, for example, or a budget DVD company like Prism or some such.
But Luca$hFilm? Come on! You're trying to defend their statement that they couldn't do any better? Of course they can do better.