The Escalator of Orthanc

What if Gandalf was a great enough wizard to do a very simple thing-like, well, opening a door? And what if, instead of a normal staircase in Orthanc, there was a long, spiraling circular escalator with an up/down switch at the top and bottom? And an elevator that goes way too fast? How would the Saruman vs. Gandalf fight have gone then? Well, as it turns out, pretty much the same.