Thanks to Chris de Herrera of PocketPCFAQ for this Windows Mobile Quick Reference Guide which you can download as a .pdf file from his site.

 This is a killer sheet! Love it.

Very Nicely done!!

Hi,
Thanks for the feedback.  I'm glad it's meeting your needs.

 I've been working on updating it to add some more info that's important to users:

Announcing the Windows Mobile Quick Reference Guide Version 2.0 with the following sections:

1. User Interface
2. Navigation
3. Notifications
4. Customizing
5. Special Applications
6. Using the Wireless Manager
7. Setting up a Cellular data connection
8. Setting up a Wi-Fi Connection
9. Communicating with Bluetooth Devices
10. Setting up a E-Mail Account
11. Resetting Your Device
12. Support
13. Feedback

Now available in the following formats in English and German:

A. Combined Professional/Classic/Standard
B. Professional/Classic
C. Standard

You can download the latest version at http://www.pocketpcfaq.com/qrg/

This is looking pretty sweet now. I'll be sure to post it on our sites.