Yachts are usually pretty environmentally unsound, so the DSe Hybrid just debuted by Island Pilot at the Fort Lauderdale International Boat Show should be a real breath of fresh air (literally) if green is your thing. And apparently it's really about as eco-friendly as it gets -- using a combination of diesel, solar and electric power (when it goes into commercial production it will also boast wind turbines) the vessel can cruise at up to six knots on a sunny day for an indefinite period of time without any fuel and zero emissions. Possibly best of all (for those like us with delicate ears, anyway), it's virtually silent when not running on fuel. If you need to get somewhere in a hurry however, its Parallel Hybrid Propulsion System in diesel mode will move at up to 13 knots. There are all sorts of "luxury" amenities on board including a 26-inch HDTV and totally ferocious Bose home theater system. Island Pilot is taking pre-orders now (you have to lay down $5,000 just to reserve one) for delivery in 2009, but fair warning: this thing has a price tag of $600,000.