Sleeping Beauty is one of my most desired 4K UHD releases (alongside Bambi, Pinocchio and Fantasia). Need to say that large format goodness on an OLED in 4K with Dolby Vision, grain in tact and original color timing.
Peter Pan and Sword in the Stone as well for me. And Hercules, Tarzan, Atlantis the Lost Empire. Treasure Planet. Only two of those are really classics.