I would definately recommend the Beauty and the Beast DVD as it has an added song, Human Again from the broadway show, added in, and the animation matches and the song fits well with the movie.
I actually really didn't like them adding the song in, and it's something I fast forward every time I watch the film just because it felt disjointed to me. Although maybe being a fan of the film as it was, that changed things for me. It's one of my favourites.. The fact that the titular Beast is our KQ6 Alexander makes it all the more better!
I was kicking myself when I found out down the line that there was an ultra-special edition of the DVD released (I only got the regular one since it was the only one I saw on sale), where you could watch it without the song. But it goes for upwards of £60 and I'm not paying out that.
I thankfully have most of my favourites on DVD now - Beauty and the Beast, The Lion King, Aladdin, Mulan, The Little Mermaid, Pinocchio.. As well as many others that I love!