Did you know there is a great place to get real-world best practices for SQL Server 2005:

 http://www.microsoft.com/technet/prodtechnol/sql/bestpractice/default.mspx

This Best Practices site contians information such as Technical Whitepapers, Best Practices Toolbox which contains scripts and other tools for performance tuning and troubleshooting, Top 10 lists, and best practice information compiled from the SQL Server Books Online documentation.

Check it out, I'm sure you will not be disappointed.