Interesting article on SketchFlow by Don Burnett: http://www.uxmagic.com/blog/post/2009/07/12/Prototyping-a-WPF-3D-game-design-workflow-using-TrueSpace-3D-Expression-Blend-3-with-Sketchflow-and-exporting-the-prototype-XNA-Game-Studio.aspx Background "Expression Studio’s Blend 3 With SketchFlow is an amazing tool. I have known about SketchFlow for a very long time (since March 2008. Microsoft had worked on gathering idea for it and spent a lot time on the concept, from customer feedback as early...