http://www.microsoft.com/downloads/details.aspx?FamilyId=DA0531E4-E94C-4991-82FA-F0E3FBD05E63&displaylang=en
Overview The SQL Server 2005 Best Practices Analyzer (BPA) gathers data from Microsoft Windows and SQL Server configuration settings. BPA uses a predefined list of SQL Server 2005 recommendations and best practices to determine if there are potential issues in the database environment. Cristian Andrei Lefter, SQL Server MVPMCT, MCSA, MCDBA, MCAD, MCSD .NET, MCTS, MCITP - Database Administrator SQL Server 2005http://sqlserver.ro
More about it here: http://blogs.msdn.com/sqlrem/archive/2007/02/21/SQL-2005-BPA-Feb-CTP-released.aspx