Found this article on AP about jet packs. On a quick search I found Martin Jet Pack and another company from the founder of GO Fast Energy Drinks.
The first seems extremely loud but long range, the second seems a lot more elegant but only lasts for about 32 seconds.
I remember Jet Packs from the Six Million Dollar Man Episodes and James Bond Films. It's part of that imaginary collective consciousness, something that we just can easily imagine as being real and yet the reality of it being at a consumer level is not...
Well we have the Segue PT for now. (Apparently the Segue PT cost 100 million to develop while the Go Fast Jet Pack about a million. Hmm!)