On its launch in 1986, the 959 was the the fastest road-car in the world with a top speed of 197 mph. Nearly 30 years on that's still bloody quick, and comfortably enough power to send you a bit upside-down.
Thing is, Porsche only ever built 337 of them. So if you do happen to own one, try and be a bit more careful than this joker in Geneva.
Here's a 'before' pic. Sob.