I have left Microsoft and this blog is no longer under my control. All of the content should remain for some time however and any new updates can be found at http://davedev.net.
-Dave, September 2013
I renamed the Metro Game Kit Project to Windows 8 Game Kit for obvious reasons. The new url is win8gamekit.codeplex.com and the old url will work as well. You can grab it on GitHub here too if that is your cup of tea.
Changes in this release: