Just did a search in Google for PDA Tutorial. Only three were found at this time. They will be posted in the PDA section on the Computer Science Websites page of Web Based Resources at http://ejw.i8.com.
Using Google, you can search for specific titles by entering this way:
PDA Tutorial - Tips and Tricks,
Best wishes my good friends.
Lewis A. Armstrong
Retired Librarian, '03
University Libraries and Archives
Emporia State University
Emporia, Kansas 66801
Web Based Resources