Popular Mechanics: has an article about the Gibbs Aquada amphibious car. It should be on sale in the US next year--that's cool!
You may think that the ability to transition from land vehicle to water vehicle in only 13 seconds is the coolest thing. Or, perhaps, that you can accomplish this by pressing a single button without having to exit the vehicle is even cooler.
On the contrary, most commenters found the statement that the "power switches from a four-cylinder, 175-hp V6 engine to water-jet propulsion" to be the most amazing part of this vehicle.
Yep. Those wacky four-cylinder, V-6 engines.