RES Baseline Desktop Analyzer is a free, on-line, Microsoft Windows Azure-hosted service that allows you to gain visibility into your existing desktop infrastructure through a real-time analysis of your environment and user base. RES have shown interesting innovation in the presentation of their Baseline Desktop Analyzer. The tool can work well as an initial guide on the state of your current desktop estate. But, it acts as a guide, it can present a scale of the task. To know your desktop environment fully and to know how you will need to take-on a campaign of migration you will need a wider set of information and likely additional tools and support.