Michel graciously provided a convenient thread for all the old versions of the Great Wheel here:
The tagline for brainstorming was this:
The idea here is that there are parallel Great Wheels out there, all different than the others. Sigil might be different as well, and perhaps there is no Lady of Pain or perhaps there is another guardian of the city or perhaps She was killed eons ago and Sigil is a smoking wreck.
So, with that, on with the show: