It's a new year and, with it, we come bearing gifts! We have a pretty significant update to SQL Server 2005 Best Practices Analyzer. It contains many new and updated rules for Analysis Services, a few important rules for the Relational Engine, a couple bug fixes for the UI and command line tools. And all of these rules have rich documentation telling you what need to know.
Here is the official announcement:
http://blogs.msdn.com/sqlcat/archive/2008/01/18/sql-server-2005-best-practices-analyzer-january-2008-now-available.aspx
Paul A. Mestemaker II Program Manager SQLCAT – Best Practices