Well, I'll reply in this post.
If Wicked were made into a movie, I would want it as a non-musical. As much as I enjoy the music, I can't see it appealing to the general public in a movie. Okay, I know that doesn't make sense...I can't really explain what I mean, but I think the music is better suited if it was performed live on a stage rather on the big screen.
If it was a non-musical, all lot of the elements that were in the book could be adapted onscreen, covering a lot of the darker points not shown in the musical.
"We like to snark around here. Sometimes we actually talk about theater...but we try not to let that get in our way." - dramamama611