Open-top cars are all the rage at Pebble Beach. Joining the Aston Martin Zagato Vanquish Volante is the limited-edition Lamborghini Centenario Roadster, packing an impressive 770-hp V-12 engine and equally impressive $2.2 million price tag. The all-wheel-drive roadster can sprint from 0 to 60 mph in just 2.9 seconds, before reaching a top speed of 217 mph. Only 20 units will be produced, and believe it or not, every single one is already spoken for. Scroll through the gallery below for detailed looks.