While we don't yet have MOC-traininings on SQL Server BI, there is a limited-time offer of free Microsoft eLearning courses.

Course 2942: New Features of Microsoft® SQL Server™ 2005 Analysis Services
Summary: This course is a technically deep learning experience for architects, systems engineers, systems administrators, solution developers, or application developers. The course is designed for either the planning/design phase of technology adoption, or on implementation issues specific to the build, deployment and management phases. The course provides detailed reference content and in-depth practical and hands-on activities.
Audience: IT Pro
Available Offline: Yes
Price: $99.00 - NOW FREE (90-day subscription)

Course 2943: Updating Your Data ETL Skills to Microsoft® SQL Server™ 2005 Integration Services
Summary: This course is a technically deep learning experience for architects, systems engineers, systems administrators, solution developers, or application developers. The course is designed for either the planning/design phase of technology adoption, or on implementation issues specific to the build, deployment and management phases. The course provides detailed reference content and in-depth practical and hands-on activities.
Audience: IT Pro
Available Offline: Yes
Price: $99.00 - NOW FREE (90-day subscription) 

Course 2944: Updating Your Reporting Skills to Microsoft® SQL Server™ 2005 Reporting Services
Summary: This course is a technically deep learning experience for architects, systems engineers, systems administrators, solution developers, or application developers. The Course is designed for either the planning/design phase of technology adoption, or on implementation issues specific to the build, deployment and management phases. The Course provides detailed reference content and in-depth practical and hands-on activities.
Audience: IT Pro
Available Offline: Yes
Price: $99.00 - NOW FREE (90-day subscription)