By now, most Porschephiles accept the existence of the rolling cash cow that is the Porsche Cayenne. Count us among them: Crossovers and SUVs sell, and building cars is a business. The success of the Cayenne, Macan and Panamera has allowed Porsche to continue to build cars like the 911 GT3 RS, Cayman GT4 and the 918 Spyder. But it's not just enough to play dress-up with a Porsche badge. A Porsche needs to feel special, too.