First Business Intelligence sizer for SQL Server 2005 by HP
From the HP website:
“The HP Business Intelligence Sizer for Microsoft SQL Server 2005 is an automated tool that helps determine the appropriate hardware configuration for a database server used in a data warehousing ROLAP (Relational Online Analytical Processing) environment. In addition this tool will also size the ETL (Extract, Transformation, and Load) layer using SQL Server 2005 Integration Services.”
You can get more information about this product here (registration required).