Once the requisite floor is selected the robotic elevator system will drop man and machine at their doorstep, with units having between two and four parking spots.Car elevators are nothing new, but it's the first by Porsche Design with the design similar to VW's Autostadt in Wolfsburg, Germany, a 20-story robotic parking garage used to deliver cars to new buyers. Now that's what you call a state-of-the-art valet.Aside from the 2.2 acres of prime Collins Avenue real estate, there are plans to build more such buildings in the US while ensuring the concept remains exclusive.