[Updated on April 17, 2012] You can see the full video series (93 videos) of install and configure TFS 2010 in enterprise, see the guide on the Codeplex http://tfs10enterprise.codeplex.com/ [End of April 17, 2012 update]
I create 4 videos on YouTube that will describe the lab center and test center from the beginning to the end, this videos not focus of describing lab and test centers in details it will show the scope of them so you can know what you can do with them. You can download the presentation by click here