My Pre have gathered together a bunch of videos from Youtube that go through every aspect of the user interface and applications on the Palm Pre. 15 videos are currently on Youtube showing off the various aspects which include the PDF Viewer, Phone, Email, Universal Search, Calendar, Google Maps, Phone Settings, Contacts, Settings, Youtube App, Messaging, Copy and Paste, Palm Profile and Backup, Organising Icons and Memos.
All videos can be found in a central location over at My Pre.