2010 Heynsdyk 2500SF roadster Once in a blue moon in the automotive industry an unique vehicle comes to play. Such vehicle is 2500SF roadster from Dutch Heynsdyk. The Dutch have always had a penchant for the bizarre and unorthodox. From their unique 'coffee shops', to their individualist sense of style the people of Holland have always liked to go their own way. And that applies to car design as