It's not about magic, it's not about glitter, it's not even about wild P/E. It's about using their massive base of resources to do something other than crank out derivative products for existing markets and rest on their own laurels.
Today's Microsoft has no idea how to innovate. Yesterday's Microsoft was aggressive, produced new products that were competitive, and never shied away from a fight no matter how bloody. They were the Lance Armstrong of their day, always winning yet having people suspicious of their methods.
If they're not careful, Computer Associates will beat them at their own game.