03/04/2011 03:48 pm ET Updated May 25, 2011

Inside The World's Coolest, Most Expensive Private Jets

The world of private jets conjures up visions of rock stars and groupies flying high and cavorting riotously in their whirlpool tubs, smoking cigars at 35,000 feet, and of stretch limos waiting in exotic ports.

But the reality is that the rapidly growing uptake in private jets is strictly business, according to the aircraft manufacturers at Avalon, which at this year's airshow has the largest array of corporate jets assembled in the event's history.

There are about 100 executive jets in operation in Australia, up from just a handful a decade ago. And the company salesmen say, business is on the rise.