Gizmodo has leaked some more Microsoft Courier details. The above video shows the user interface in action, demonstrating the infinite journal, universal search and tabbed web browsing. It also shows how the journal can be shared.
According to Mary Jo Foley the device is currently in the Incubation stage at Microsoft, and is targeted for a mid-2010 release.
While the device is said to be Windows 7 based the UI concepts are still very interesting, and may give us an indication of what Microsoft intends for Windows Mobile 7.