During last few weeks I was searching the Internet for information regarding this topic. I think that you may be interested in these resources too. So, here the links are:
39 videos cover themes from basics of business intelligence to the details of SQL Server Analysis Services 2008. All videos are free of charge, but you should register to download them.
You can find quite interesting videos on BI essentials, data warehousing, SSIS, SSRS, SSAS in the following trainings there:
Videos and presentations. Quite interesting.
Tutorials, articles, webcasts, live samples.
And a few books:
“Smart Business Intelligence Solutions with Microsoft SQL Server 2008” by Lynn Langit, Kevin S. Goff, Davide Mauri, Sahil Malik, and John Welch
“Microsoft SQL Server 2005 Analysis Services Step by Step” by Reed Jacobson, Stacia Misner, Hitachi Consulting
“Microsoft SQL Server 2005 Reporting Services Step by Step” by Stacia Misner, Hitachi Consulting