BI learning from Blogs.
Exam 70-448: TS: Microsoft SQL Server 2008, Business Intelligence Development and Maintenance
http://blogs.msdn.com/performancepoint/default.aspx
http://blogs.msdn.com/performancepoint/archive/2009/01/12/dashboard-basics-courses-now-available.aspx
http://blogs.msdn.com/performancepoint/archive/2009/01/26/creating-pps-kpis-based-on-ssas-kpis.aspx
http://geekswithblogs.net/darrengosbell/Default.aspx - Business Intelligence, SQL Server
http://nickbarclay.blogspot.com/