Here's the video they're playing in the Epcot area at D23. Lots of animated concept art.
There are some attempts there to reconcile a new thematic vision for the park, but it still feels pretty muddled. In any case, the new Future World areas look very nice, but -- so far -- it's a lot of gloss and not a lot of substance.
The Fountain of Nations (or something very, very similar) appears to be there, however. Which is not a bad thing by any means.