Back in February this year (2008) odd: was commissioned to produce the UI (user interface) design for an unnamed mobile email device. Well, the unnamed device is called Peek, and is now on sale in the US!
Scot Hanselman (and others) have a download link to the first chapter (more of a section at 1850 pages long!) totally free and totally cool. Get the NerdDinner.com walkthrough here.
You should be saving your work on a regular basis in case of crashes, but for those who forget to cmd+s like clockwork EverSave seems like a great idea.