Essential Scrum author Kenny Rubin is at Agile 2013 to give presentations on Strategies for Agile Portfolio Management and the question of Component vs. Feature Teams. Kenny provides some great insights on how organizations can use economic metrics to help companies make better informed choices about how to practice Agile. He also gives an update on the Visual Agile Lexicon.
Visual Agile Lexicon - innolution.com/resources/val-home-page)