CBS: 47 HDTV Cameras at Super Bowl (http://www.tvpredictions.com/superbowl012807.htm)
TVPredictions.com (press release) - USA
Washington, DC (January 28, 2007) -- CBS will use 47 different High-Definition TV cameras for its coverage of the 2007 Super Bowl between the Indianapolis ...

They were using some wireless HD cameras for the first time at the Buick Open in La Jolla, and it looked pretty good.