It sounds as though it has the elements of immense success. With over $100 million in funding from America's top venture capital firms and designed by some of the top engineering minds available, Segway developed a product which gained some phenomenal media hype leading up to its release.

Adding to the hype, some amazing quotes from big names - "As big a deal as the PC": Steve Jobs - "Maybe bigger than the Internet": John Doerr, a venture capitalist who backed Netscape and Amazon.com.

So what exactly is the Segway HT (Human Transporter)?