Ha - the surround mix on Snow White is thankfully pretty restrained. I'm not an expert on the original sound mix by any means, but I was only distracted by a few LFE effects that seemed out of character for a 1937 production.
I thought it looked fantastic, though I wish the original mono had been included. I don't know enough about the production history or subsequent preservation of the negative (especially as compared to Cinderella) to offer an informed opinion about the accuracy of the visual presentation. All I...