There was an article in the Wall Street Journal called Tennis Without All the Tension. Let me know if you cant find it, I will send you the link. The article mentions the following:
The lowest request from the U.S. Open this past year: Filippo Volandri's rackets at an astonishingly slack 26 pounds.
The naysayers are the same guys who told the Colonel his recipe for Fried Chicken would never be successful!