Mike, et al.,
Actually, I think these things are still available to some extent. Just in the last few months I saw them in Damark or a similar catalog. When I started commuting a year ago last November I bought something similar called a Spongy Wonder. At the time I was quite heavy and I found it much more comfortable than a standard saddle. Within 2-3 months I felt I no longer needed it and moved on to a Terry Liberator then to Brooks saddles. I have to tell you, though, that I credit that funny looking little seat for keeping me going in the beginning.
Regards,
Raymond