Damn, on one hand I could use the money, OTOH I'm not sure I'm ready to let them go. Here's what they looked like in 2008:
https://picasaweb.google.com/1046501...71985148204898
https://picasaweb.google.com/1046501...71916428728146
https://picasaweb.google.com/1046501...71834824349506
https://picasaweb.google.com/1046501...71761809905458
...obviously they're a bit worse now. They do roll smooth and presumably balance easily. I'll try to get up-to-date photos.