Microsoft has published a document to walk you through evaluating Windows Server 2008 R2 Hyper-V in a test lab environment.
“This guide provides detailed step-by-step walkthroughs for testing Hyper-V on a pre-production environment. You can use this guide to become familiar with Hyper-V and the process of creating and managing virtual machines. Also included in this guide are useful scenarios that you can test to better understand how Hyper-V can address the business goals of your organization.”