I've just added another item to the list: I forgot about the early press screening version of The Phantom Menace where Darth Maul falls down the shaft but stays in one piece. As with the IMAX cut, there is no known copy in the public's hands.

I was reminded of this while reading Rikter's edits listing here. The listing mentions a supposed early cut where Darth Maul falls apart much later down the shaft than in the version we're used to, but this is too rumoristic for me to include. There is pictorial evidence of the unsplit Maul/splitting Maul (no pun intended) versions. I have never seen any for this other rumored cut.

--SKot