Although this is the first instance you're catching a look at the all-new Ferrari supercar in development, it's actually been under development for longer than you may think.
Remember the Ferrari FXX? That vehicle's developmental program lasted until 2009.
Though it hasn't been explicitly said the program will benefit the next-gen Ferrari supercar, I can't think of another reason why Ferrari would test what is essentially the most technologically advanced Ferrari and give it to privileged owners to track and provide feedback.
According to Auto Express, the Enzo successor is said to boast more than 900 horsepower, feature a double-clutch 'box and the F1-style KERS system, which will provide a power boost at the push of a button. In addition, Ferrari is said to be pursuing a lighter curb weight than the Enzo.
...The new Enzo will use a 7.3-litre V12 with more than 900bhp – eclipsing not only its chief rival, the 728bhp Porsche 918, but also the original 650bhp Ferrari Enzo. It will use a double-clutch gearbox, ceramic brakes and F1-style KERS, giving the driver a power boost at the push of a button on the steering wheel.
The new Enzo will also use a carbonfibre chassis and body, unlike other Ferraris such as the 458 and FF that use aluminium. It should be lighter than the original 1,255kg Enzo, guaranteeing that it's at the pinnacle of supercar performance. That means a 0-62mph time of less than three seconds and a top speed in excess of 220mph. However, Ferrari isn't immune from the quest for lower emissions and fuel consumption, so these are sure to be better than the Enzo's...