Last bike swapmeet I went to had no less than 4 Salsbury scooters in assorted conditions for sale. Those were about equal to the Cushman but, some people thought they looked better. Here's something you might want to take a look at,
http://www.mmcoa.org/ Not quite a motorcycle, but they don't handle nearly as badly as a scooter.
Years ago, there was a race across the desert and up the side of a mountain in So. CA. One year, it was won by a Mustang, largely because the rider picked it up and ran with it in the desert leg and olaces where the mountain leg ran through muddy areas.