In Australia alone, 'grey nomads' spend more than $10 billion a year on their travels, fuelling a tourism boom. "It's the closest thing to freedom that you'll ever get," explains Stuart Mann. He's traded in his house to spend years chasing the sun. And he's by no means alone. "The baby boomers are now hitting their 50s and looking for a lifestyle shift," explains demographer Bernard Salt. Having worked hard all their lives, they feel no compunction about spending it all in their final years. As one retirees states: "I tell my children that we can't take our money with us when we go but we can leave our debts behind." (C9)