Make sure you use this offer to access a free 400+ pages eBook around Microsoft's virtualization strategy, not only Hyper-V but also Desktop and Application Virtualization. Download "Understanding Microsoft Virtualization Solutions - From the Dektop to the Datacenter" now.
There is also a free eLearning collection; Exploring Microsoft Virtualization Technologies, that includes three 2-hour sessions and an 1-hour session.
Check this list for more eLearning
I am working on the strategy to virtualize my corporate network.
From Maria Green's blog: http://blogs.technet.com/mariaj/archive/2008/12/18/free-virtualization-elearning