Given a choice between getting on an aeroplane and getting on that thing, I'd choose the blimp in a heartbeat. At least if the engines fail it still has some inherent bouyancy. That being said, if there is that big of a market for 18-hour cross country trips instead of 6 to 7 hours via regular jets then maybe high-speed rail might be a better alternative. Same travel time, no helium, far less chance for things to go wrong.