Forgive me if the answer to this question is obvious (I have not been to DL in 2 years), but what is the current use of the Fantasyland Theater?
I ask because as I was looking on Google Earth, I realized how much space it takes up. I then thought of how it could be used for a fairly large new attraction. When last I saw it, it was a princes fair thing. I think that could be sacrificed for a new attraction, but if there's a show in there...then maybe not.
Here's the Google Earth photo.
I included the IASW Show building to show how something very substantial could be there. The room from the theaters absence alone would be enough, but add any unused space over in the BBQ area, and you have room for an E-ticket!