Just recently, the Visual Studio Rangers published a new guidance document on best practices for using database projects in Visual Studio 2010.  The guidance focuses on:

• Solution and Project Management
• Source Code Control and Configuration Management
• Integrating External Changes with the Project System
• Build and Deployment Automation with Visual Studio Database Projects
• Database Testing and Deployment Verification

If you are interested, you can get it here: http://vsdatabaseguide.codeplex.com/

Brian