Tom Perkins, the venture capitalist behind such companies as Google, Genentech, Amazon, and AOL, doesn't do things halfway. When he collected vintage cars, for instance, he had the world's largest collection of Bugatti automobiles. And when he decided to pursue a lifelong dream and build a sailing yacht, he went the whole nine yards: He decided it would be the world's largest yacht--big enough to fit Noah's Ark on its deck.