It could be interested for anybody this training kit for SharePoint 2010 for creating training environments that could be customized. By default it comes with tainings, examples, videos and podcasts of the following products:
It is needed to be installed at least SharePoint Server 2010 SP1 with August 2011 CU and Silverlight 4.
You can download it for free and it is updated regularly.
Héctor Calvarro Martín. SharePoint Dev. Microsoft Support Engineer for DEV EMEA