Microsoft has a full end to end BI software stack which offers complete, fully integrated set of BI technologies that can help make building, managing and using BI less complicated and more economical.

Microsoft Business Intelligence offers a complete suite of products that supports all facets of decision making. Through tight integration with the powerful, proven, and scalable Microsoft SQL Server 2005 platform (new BI features, improvements coming with SQL 2008) , Microsoft Office SharePoint Server 2007, Microsoft Office Business Scorecard Manager 2005, ProClarity Analytics 6, and  Microsoft Office PerformancePoint Server 2007,
Microsoft provides complete business intelligence (BI) capabilities that deliver the right information, at the right time, and in the right format.

Learn more here http://www.microsoft.com/bi/

The entire BI Voyage screencast series is now available for viewing and download from the Channel 9 SQL Server wiki at: 

http://channel9.msdn.com/wiki/default.aspx/Channel9.SQLServer