Exchange Deployment Assistant
The Exchange Server 2010 Deployment Assistant (ExDeploy) is a free web-based tool which can help you deploy Exchange Server 2010. With ExDeploy, you can create Exchange Server 2010 on-premises deployment instructions that are customized to your environment. The Deployment Assistant asks you a small set of questions, and based on your answers, it provides a checklist with instructions that are designed to get you up and running on Exchange 2010. You can also print the checklist or create a PDF file.
You can access ExDeploy at http://technet.microsoft.com/exdeploy2010.