Boeing is developing a plane that flies twice the speed of sound.
That's a fast plane, eh?
The super-duper sonic jet will get you from East to West Coast in like two hours and won't even produce the troublesome sonic booms that bedeviled The Concorde.
The private jets, which will be much more expensive than you will ever be able to afford, may be flying by 2012.
Wired: Supersonic Private Jets