Yahoo (YHOO) expects an annual earnings boost of $500M and capex savings of $200M upon full implementation. In a nod to her previous promise not to join hands with Microsoft (NASDAQ:MSFT) unless "boatloads of money" changed hands, Yahoo chief Carol Bartz said today's deal brings "boatloads of value for Yahoo!, our users, and the industry." Premarket: YHOO -7.5%. MSFT flat.