Compilations:

Ben's Palm RapidFAQ - Answers to burning questions on 3Com/Palm handhelds.
http://personal.nbnet.nb.ca/bcs/pfaq/

Palm / 3Com FAQ's:

File Link Feature - Info about using the desktop software file link feature.
http://www.palm.com/custsupp/faq/filelinkfaq.html

Macintosh PalmPilot FAQ - Info about using the Palm Pilot with a Macintosh computer.
http://www.palm.com/custsupp/faq/macfaqs.html

Network HotSync FAQ - Info about the Network HotSync product from USR that lets you synchronize your Pilot over a network or by dialing into a Remote Access Server (RAS) on a network.
http://www.palm.com/custsupp/faq/csnetsyncfaq.html

Palm III - Info about the Palm III organizer.
http://www.palm.com/custsupp/faq/palmiiifaq.html

Palm MacPac Version 2 - Info about using the Palm Pilot with a Macintosh computer.
http://www.palm.com/custsupp/faq/macv2faq.html

Palm Mail FAQ - Info about using desktop software with various e-mail packages.
http://www.palm.com/custsupp/faq/csemailfaq.html

PalmPilot Modem FAQ - Info about the fax/modem from USR that attaches right to the bottom of the Pilot allowing you to synchronize over phone lines or use add-on internet and fax software.
http://www.palm.com/custsupp/faq/modemfaq.html

Development FAQ's:

Palm Developer Knowledge Base - A good starting point for Palm OS development right from the source.
http://oasis.palm.com/dev/kb/browse.cfm?type=1

Wade's Pilot Programming FAQ - A very comprehensive FAQ with many links providing the best starting point for learning how to create software for the Pilot.
http://www.wademan.com/Pilot/Program/FAQ.htm

For a ton of other FAQ's, visit Calvin's FAQ at PalmGear H.Q.
http://www.palmgear.com