The Microsoft Certified Masters Program for Microsoft SQL Server provides the most experienced and talented IT Professionals with worldwide validation and recognition of their deep technical expertise in SQL Server. The SQL Server 2008 Microsoft Certified Master program has been re-launched in a more scalable format because of the increased interest and global demand for the program. For more information, see the Microsoft Learning SQL Server 2008 Microsoft Certified Master program site.
TechNet published several readiness videos that provide candidates who want to pursue SQL Server 2008 Microsoft Certified Master certification with an overview of what you need to know to prepare for the SQL Server 2008 Microsoft Certified Master Knowledge Exam and Lab Exam. Several of these videos are created by people like Bob Beauchemin and Paul S. Randal from SQLSkills.com.
Each module establishes the level of depth and breadth required to achieve this certification and also includes an MCM-level deep dive of one or more aspects of the specific subject area. Each module ends with a pointer to a comprehensive list of additional readiness resources (whitepapers, blog posts, other videos, and applicable SQL Server Books Online sections).
Find more info and the videos on TechNet.