As you can see, one of the barriers for new users today is Look&feel (and the
entrie user interface) -- http://osnews.com/story.php/18169/Review-eComStation-2.0-RC1/
Piano Launchpad is aimed to change the situation a bit -- http://ecomstation.ru/showarticle.php?id=158
(btw, the agenda of DWS2007 conference contains some reports related to user interface -- http://wiki.netlabs.org/index.php/Developers_Workshop_2007)
Japanese Piano Launchpad:
http://ecomstation.ru/projects/eschemes-deluxe/screenshots/Piano-20070701.gif
Homepage: http://ecomstation.ru/eschemes-deluxe
Source: Eugene Gorbunoff