Amazon.com debuted Apple's new iMac on February 13, selling out of stock within four hours.

Apple's laptop and desktop systems now hold ten of the top 25 bestseller spots on Amazon.

In related news, Amazon.com and Segway are auctioning three limited-edition Segway Human Transporters in an auction event that runs from February 19 to March 28.

Invented by Dean Kamen Segway is a two-wheeled personal-transportation system that is propelled by body movement through Dynamic Stabilization technology.

Apple CEO Steve Jobs, who saw the device last year, suggested the product will "transform the way cities are built".

Combined bids of over than $100,000 were made within the first 16 hours, reaching $281,000 at the time of writing.

Segway will donate the auction proceeds to First, a non-profit organization founded by Dean Kamen to promote science and technology among the young.