Flying cars... Yay or Nay?

This looks impressive but im not so sure i fancy it...

European flying car technology sold to China

The Slovakian AirCar, built with a BMW engine and run on normal fuel, will now be made in China.

www.bbc.co.uk

What do you think? I hope we get some cool futuristic propulsion tech soon so cars can fly like in back to the future as opposed to a car x plan with wings!