Details on Mike Walkers EATK can be found here
http://blogs.msdn.com/mikewalker/archive/2008/07/07/the-enterprise-architecture-toolkit.aspx
His Powerpoint from the SAF is here:
http://www.slideshare.net/mikejwalker/enterprise-architecture-toolkit-english?src=embed
More on all of this here:
http://msdn.microsoft.com/en-us/architecture/bb469938.aspx