The Microsoft Assessment and Planning Toolkit (MAP) is an agentless, automated, multi-product planning and assessment tool for quicker and easier desktop, server and cloud migrations. MAP provides detailed readiness assessment reports and executive proposals with extensive hardware and software information, and actionable recommendations to help organizations accelerate their IT infrastructure planning process, and gather more detail on assets that reside within their current environment. MAP also provides server utilization data for Hyper-V server virtualization planning; identifying server placements, and performing virtualization candidate assessments, including ROI analysis for server consolidation with Hyper-V.

Go get it @ http://www.microsoft.com/en-us/download/details.aspx?&id=7826. For more information, see the Solution Accelerator area for MAP.