Video: The 'World's First High-Speed, Commercially Available Amphibious Vehicle'

The first commercially available amphibious vehicle capable of decent speeds--45 miles per hour on both land and water--is expected to go on sale in the U.S. by the end of this year. At $40,000 a pop, the Quadski is an expensive ATV (most go for less than $10,000), and it’s even expensive next to both an all-terrain vehicle and a personal watercraft (which retail somewhat more expensively than ATVs, but not by that much). But its amphibious nature is pretty dazzling: just drive into the w...