Brian Keller Visual Studio ALM Virtual Machines
[10-01-2014]
There is an update. Go here for the newest: https://blogs.msdn.com/b/briankel/archive/2013/08/02/visual-studio-2013-application-lifecycle-management-virtual-machine-and-hands-on-labs-demo-scripts.aspx
[Original]
Brian Keller just posted a list of all the VHDs available for you to do ALM labs related to Visual Studio and TFS https://blogs.msdn.com/b/briankel/archive/2013/04/17/list-of-all-visual-studio-alm-virtual-machines.aspx. Go play! :-)