Hah, I don't think your mother would be too appreciative though!
I have rented cars from the guy you are talking about- in fact, he lives several miles down the road from my place.
Here's the website:
http://www.sportscarrentals.com/
If you rent a car from him for the weekend in the future, tell him the guy up the road with the two old M-B's sent ya...
-JAS