This evening I heard a radio DJ (it's like Pandora but a person and not necessarily on the internets) play a song by a band called We Were Promised Jetpacks. Two things: first, I recommend this band; second, here are your damned jetpacks:

Ok, so it's not actually a jetpack, but rather a personal helicopter from Martin Jetpack of New Zealand. There's a nice Wikipedia writeup about them and their product. It seems that the 'jetpack' has a flying time of about 30 minutes and a maximum speed of 60mph. Not too bad, although I wouldn't plan on replacing your Vespa with it just yet, as the price tag is currently around $100,000.