I found references to something vaguely like that, that was made back in the 70's, called an "R21." Might be somehow related? Sounds like a "used" price though.
http://www.r33.com/en/owners/rs21.asp
Note: their current model is listed as an "R33." Looks fun, but lists for $125K for the base model.
edited by: toddster, Apr 21, 2010 - 07:05 PM