If you're still with us, this PMP also sports a couple of flip-out mouse-ear speakers for use in a pinch, TV-out, AV-in, MP3 and WMA playback support, FM tuner with recorder functionality, and about 3 hours of video playback on battery which is about as good as it gets in a smaller package than both the current iPod and Zen Vision:M.
His ability to understand the change that technology made possible, to package it in ways that attracted the broader world, and, yes, to sell that new vision was not important to progress.