I picked this up.. If you want to know IMHO the most exceptional thing about this transfer, surprisingly it's the amount of grain present and how it translates on screen. Yes it's nice in movies like Casablanca to go back and clean up the film. I mean it's one of the most important films in cinema history, it should be preserved for generations to come. But in some cases, and arguably Casablanca is still an example of such a case, it would be nice to see the movie how IT WAS FIRST PRESENTED back in it's original release. We can restore these movies all the way up to Snow White, where the movie was virtually repainted from scratch for its HD transfer. And again, the preserve the movie for future generations this is a good thing. But for film buffs.. I mean I would have loved to see 20MMtE in the theater back in the 50's, but considering I never had a chance this is the closest I will ever come. When you pick up Casablanca on HD-DVD, do you think that's what it was like to sit in a movie house back in 1942 with 1000 other people and see it on the big screen? Heck no.. that print is cleaned up well beyond what any positive print was capable of back then.
So in this respect.. the HD transfer of 20MMtE is outstanding. Preserving the grain while still giving us a pretty robust picture without the use of much edge enhancement for a movie of that age.
I also have to say that the colorization process is leaps and bounds beyond what we were exposed to. And before you cry foul about original integrity, there are a number of interviews with Ray Harryhausen on the disc talking about the fact that it was shot in B&W solely for budgetary reasons. He would have shot all three of his B&W films in color had he been approved the budget for it. His words exactly, bringing these films to color IS bringing it closest to his artistic intent. And as I said, the colorization process is really outstanding. The number of scenes that turned out rough can probably be counted on one hand, and mostly involve a very subdued colorization due to the complexity of the scene (like smoke and fog, stuff like that). Overall though it does bring you into the movie more, at the expense of eliminating just a tiny bit of that camp and cheese associated with viewing old monster movies in B&W.