Oh I would love it if they would include Walt's name in there, but the sad thing is they might not. However those were my thoughts exactly. Have a Magic Kingdom section, Hollywood Studios section, Epcot section, Animal Kingdom section.
Plus think about the potential for a restaurant. It could have a "return to the old World" theme to it. Each park would have it's own themed seating section, with archives and historic pieces from that specific park's opening year so it also even recreates the era that the park opened in.
Also imagine if instead of just opening up a pool, they opened up the first indoor water park attached to the hotel. Imagine Great Wolf Lodge's water park except bigger.
Of course I know none of this will ever happen, but as a writer one my imagination gets going I have to write it out, and if I'm going to write out an idea for Disney World I might post it on here.