Tom Peters — the American management guru who wrote In Search of Excellence — recently produced a blueprint for what he thinks would be the ideal 10-strong, modern board. There should be no more than three people over 60, he said, no more than three MBAs, at least three women, two people under 30, a brace of entrepreneurial types, a design guru, an IT superstar, and one person of stature who seems weird, probably a rapper or an artist.