I like this topic. I have had several discussion with several different people about this very thing. I really love a quick sketch for dumping an idea, I would love to be able to sketch better and faster than I currently do.
I'm really taken in by the quick sketches of an idea, they have a certain quality about them that leaves some to the imagination and at the same time very informative. This topic made me think of a book an associate of ours wrote called Rapid Vis Toolkit which is a great book for helping to understand how to quickly visualize ideas and also the organization of ideas. Pretty fun stuff!
Edit: I still need to read the white papers, they look informative.
