What is your disposable income? How convenient is it for you to access an airfield near your home and common destinations? Depending on your answer to these questions, the answer may be, "Now", or "In 30 years".
I think you need to think of this in two ways.<p>1) Flying cars like THe Jetsons - The regulation alone would have to put this so far beyond anything we could predict it would take all meaning out of it.<p>2) Hovering Cars - I would like to know the answer to this one.