Richard Kettner from WiredGuy.com has put togther a flash based Tips & Tricks to help you with your Pocket PC 2002 device. I've seen books similar to this, but it is neat to see a PC based tutorial that walks you through each step showing you what happens on your Pocket PC as you do it.
"Pocket PC 2002 Tips & Tricks will help you get the most out of your handheld investment. It includes over 70 interactive flash-based walkthroughs to teach you how to perform each tip step-by-step!"