TechNet Edge has posted a series of videos on using MAP Toolkit 5.0. They even created a ~7-minute video specifically for assessing Office 2010 readiness. From their landing page: "In this screencast we take a look on how MAP can help streamline your migration to Office 2010 with MAP 5.0's hardware compatibility proposal document. MAP provides readiness details and specifics of your IT infrastructure inventory, including hardware and OS requirements and upgrade recommendations for planning a seamless Office 2010 deployment. The actionable recommendations and assessments presented shorten the time it takes to plan your Office 2010 migration and prepares your IT environment for Office 2010 deployment and migration scenarios."
MAP 5.0: Office 2010: (2 of 6)
MAP 5.0: Overview (1 of 6)
MAP Database Discovery for SQL Server: (4 of 6)
MAP: Heterogeneous Server Environment Inventory (5 of 6)