Hi all,
here's a summary of links to any PalmOS-related posts I could find (so far rather incomplete).

2009-05-29 14:06 Don't they make PDA's anymore?
2009-10-15 21:41 Review: My take on the Android OS and the Galaxy
2009-11-20 01:29 Importing Palm Memos - surely this can be done??
2009-11-23 07:26 Default Former Palm Users Transition to Droid Guide
2009-12-17 11:56 Looking for a replacement for PalmOS (since 1996)

also
09-06-2009, 06:42 http://androidforums.com/htc-hero/8802-migrating-palmos.html

11-19-2009, 16:29 http://androidforums.com/android-applications/19741-importing-palm-memos-surely-can-done.html

I've just been scanning for threads comparing calendars to palm calendars.
A general discussion of migration from palm: http://androidforums.com/android-applications/28286-palm-os-android-droid.html
A fairly good calendar discussion: http://androidforums.com/android-applications/28286-palm-os-android-droid.html where I'm trying to consolidate recommendations.

Some more:
Disappointed In the Android PIM
Calendar & other ?'s
Question about Calendar and Contacts