Do you know of anyone that mixed and mastered a decent copy of Court of the Crimson King? Every copy I ever heard had audible compression and tape hiss. Some albums are like that, another extreme example that comes to mind is Queen, News of the World. A lot of Moody Blues albums are marginal until Every Good Boy Deserves Favour. But you can get good half-speed masters of On the Threshold of a Dream and Days of Future Passed.

Have you ever heard of Gentle Giant? They were a very interesting band. If you haven't heard of them, try to find a copy of the album called Pretentious. It's a two-album set on the Vertigo label, sort of a "greatest hits" except they aren't a top-fourty kind of band. Like not at all. Check 'em out, they're most interesting.