They didn't show the one variable I was interested in: landing.

Parachute. (I'm not being snide, he eventually just cut the engine and chuted down)

I figured as much. So, no practical take-off or landing capabilites. Cool toy, but not practical (yet).

I can't imagine the jet pack is in very good shape after a free-fall.

Leave it to the Swiss to beat us at our own game. Look for swatch jet packs as a bonus package to your smart car in the future.