You don't have to by an exotic, race-bred sportscar to get something made of carbon fiber with exposed suspension and racy looks. Thanks to Audi, you can actually go quite far to the opposite end of the spectrum. Meet the Urban Concept, a little guy with a big heart and just two seats -- offset slightly to give both driver and passenger maximum shoulder space in a decidedly slender chassis. With just 20 horsepower on tap it will hardly light your world afire, but weighing only 480kg (just over 1,000 pounds) and featuring a racy pushrod suspension, it should be quite the cor
