For those of you who are just gettings started with their new Treo Pro or Windows Mobile phone, Microsoft has launched a website with some great tutorial videos for beginners. Even the experienced user might learn a trick or two...
 
It contains these Windows Mobile topic videos:
  1. Staying Connected
  2. Maps & Directions
  3. Managing your schedule
  4. Working with documents
  5. Mobile Internet
  6. Music and Photos
  7. Personalizing your phone
Watch the videos here: 
 
Additionally, there are extra topic pages with detailed information and downloads available: