Erik Ryan, product manager of Microsoft Office SharePoint, said the company is planning 64-bit versions of Windows SharePoint Services and SharePoint Portal Server in the "Office 12 wave." In the past, Microsoft execs have said to expect Office 12 within 36 months of Office 2003, which would put it in 2006.More details at CRN
Microsoft preparing 64-bit Office 12

Microsoft is preparing a 64-bit version of its Office software. The company plans to ship the 64-bit a little bit after the launch of the 32-bit Office 12 suite.