Gulfstream G550 (Gulfstream V)
Range 6,750 miles
passengers 14-18
Speed: Mach 0.88
List Price $46 million
Boeing Business Jet (based on Boeing 737)
Range 6,800 miles
passengers 25 (up to 50 depending on seat configuration)
Speed: Mach 0.82
List Price $48 million
Airbus A319CJ (Airbus A319 with extra fuel tanks)
Range 6,500 miles
passengers 25
Speed: Mach 0.85
List Price $45 million
Bombardier Global Express XRS
Range 6,150 miles
passengers 19 max
Speed: Mach 0.89
List Price $46 million
Alternatively it is possible to buy an even larger plane such as a used Boeing 767 which can be re-fitted to your precise specification. In fact, in 2007 Boeing will replace the 737 based BBJ by the Boeing 767-300ER, which will have 50 flat seats as standard.