Same speculation. Same media and market frenzy. On CNNMoney, they used the almost identical title, subtitle, and URL. Exactly one year apart, almost to the day. Bizarre.

Microsoft Yahoo! Merger speculation May 3 2006
http://money.cnn.com/2006/05/03/technology/microsoft_yahoo/

Microsoft Yahoo! Merger speculation May 4 2007
http://money.cnn.com/2007/05/04/technology/microsoft_yahoo/

P.S. I have no special knowledge of the situation. The latest reports I’ve seen say no deal.