2008 Mercedes-Benz CLK63 Black Series - A Beautiful, rare and very stylish grand tourer. A close relative of the official Formula 1 safety car. Upgrades: Carbon-fiber fender flares 19-inch forged aluminum wheels and 265/30R19 Pirelli P Zero Corsa tires in the front and 285/30R19s in back.

What does a niche-market manufacturer do when the niche it has carved becomes surprisingly full of eager customers? Carve another one, of course, and raise the ante.