I know a few people who would like this (myself included)
 

Personal Jet Pack - a hair too spendy for me, alas.

To me, it's only half a jet pack if you are tethered by a water intake hose.

Perhaps you'll get one for you birthday....

:snap:

Neiman Marcus, your source for all a true gentleman's needs.

they were running those around the bay out here a few months back for a news crew. it may not fly high but daaaaaamn that looks fun!