In case you missed it, Bill Gates announced the Microsoft Office SharePoint Server for Search 2007 product at the CEO Summit this morning that we are releasing. This can be upgraded to Microsoft Office SharePoint Server 2007. It provides the ability to search file shares, SharePoint sites, web sites, exchange public folders, lotus notes databases and customer repositories via protocol handlers. 

You can watch the webcast at http://www.microsoft.com/events/executives/billgates.mspx