Hard charging: the billionaire�s other toys

Mercedes SLS Cigarette boatThe ultimate tender to your Emocean Gigayacht? How about a super-fast �Cigarette Rider XP' powerboat inspired by the Merc SLS? Powered by a pair of Mercury Racing 1,350hp 9.0-litre V8 bi-turbos, the big Mercedes can hit 117 knots (130mph). On water. It's a bit more expensive than the SLS AMG itself though: �750k basic.Gulfstream G650The widest, fastest, longest-range