Thom, I wanted to speak with my father, see if he would be interested in buying the 550 if you and I made the trade. If money wasnt the reason I was selling Id Definately consider it, very impressive build. If I am going to be stuck with one of these cars, I think the speedster is the more "practical" of the two. I can actually get a large order of groceries with room leftover for the occasional "can I get a ride" female right seater. My father is overseas, would have no use for the 550 right now.
Thunder Ranch is the only manufacturer I know that has the look of the original behind the seats. This, and the IRS rear suspension had a lot to do with my decision on builder. I love the look, but even better I can get a couple carry on sized bags back there for road trips.