Just checked the bonus material, and your blu-ray has everything important and more. The only thing missing is the "Virtual Tea Party," which was just a half-hour sing-along video with a live Alice and Hatter.
About the only things still missing from the Laser Disc are a radio interview with Walt and an option to watch the film with just the music and effects track. You've got the best release so far.
Good to know and thanks for checking!