I was having a conversation the other day with someone
about touch screens, gesture languages, physics in UI actuators,
transition animations, and all sorts of other cool stuff in the
iPhone UI. It got me cranked up about a project we had done at Sun
years ago. Fortunately, we had
made a video of it in 1992 that I managed to find a copy of.
It's really badly done (it was done for a UI conference
presentation), but it shows a lot of interesting points (for
example, the grid-style TV schedule browser). You can tell it's
pretty old from my hair color.