I just wrote a nice post on guidance packages <=> blueprints on our team blog. So if you are interested in Software Factories, Guidance and Automation, or Blueprints,.... then I recommend reading the post @ http://blogs.msdn.com/usisvde/archive/2008/08/08/guidance-packages-are-dead-long-live-the-blueprints.aspx

I will follow up with some more details on my first experiences on this blog next week.