Here are some links for purchasing new & used Pilots & accessories online...

Ebay
http://www.ebay.com

PDA Dash classifieds
http://classifieds.pdadash.com/viewads.html

Chat:

There are a couple of IRC and web based chat areas about the PalmPilot.

IRC
DALnet, channel #pilot-pda
Every Wednesday and Sunday night at 8:30pm CST/CDT US (0230 GMT).
Recommended server: webbernet.mi.us.dal.net

Palm Chat
http://members.xoom.com/PalmRedir/palmchat.htm

Pilot Talk
http://fremont.scs.unr.edu/~mccarthy/pilottalk/pilottalk.cgi

How-To Guides:

How To Guides: Secrets of The PalmPiloteers
http://www.cnet.com/Content/Features/Howto/Pilot/index.html

Mailing Lists:

In-Sync Online: Tips, News, Announcements via E-Mail
http://www.insync-palm.com/

Free Palm Newsletter
http://www.kettner.net/palm/index.htm

Model Comparison:

Side by Side Comparison of PalmOS Devices.

http://www.enteract.com/~castillo/PalmPilot/Comparison.html

Palm Model Comparison from The-Gadgeteer

http://www.the-gadgeteer.com/palm_model_comparison.html

Newsgroups:

Newsgroups can be a great way to find answers to questions or problems. If you are wondering about something, chances are, people are talking about it somewhere in the world. The following newsgroups contain postings about the Pilot and related activities...

comp.sys.handhelds

comp.sys.palmtops

comp.sys.palmtops.pilot

alt.comp.sys.palmtops.pilot

One of the best ways to search newsgroups for something, especially if you don't know which newsgroup to try is Deja News.
http://www.dejanews.com

Newswire:

News Now PalmPilot Newswire
http://www.newsnow.co.uk

Palm Computing / 3Com:

Palm Computing / 3Com - PalmPilot Offical Home Page
http://www.palm.com

Software & Resource Guide
http://palmcomputing.resourceguide.net

Palm OS Browser-Friendly Links:

PSP - PalmOS Start Page - by BJ Byrne
http://members.home.com/bjbyrne

Reviews:

The Gadgeteer - Reviews on many products and 'gadgets'.
http://www.the-gadgeteer.com

The Palm Guru - Reviews on various hardware & software products.
http://www.palmguru.com

Search Engines:

PalmPointer - A search engine dedicated to Palm OS.
http://www.palmpointer.com

Palm.websearches.net - A topic search engine for Palm OS.
http://palm.websearches.net

Software Archives:

PalmGear H.Q. - Automatically updated software archive with a ton of Pilot software.
http://www.palmgear.com/

PalmCentral Software Archive - All software is nicely organized into categories and is fully searchable. Has some different entries that are not listed in PilotGear H.Q. archive.
http://www.palmcentral.com

palm.eisenbach.com - All software on this site is free !
http://palm.eisenbach.com

Surveys:

PalmPilot Users Survey
http://www.richards.com.au/palm/

Technical Information:

Here are some links for hardware / technical information...

Hardware Info - Lot's of technical info on the Pilot's hardware. Read Hardware Stuff at Darrin Massena's site:
http://www.massena.com/darrin/pilot/luiz/hardware.htm

Steve's Pilot Tech Page - Technical info about the Pilot.
http://www.twinbrothers.com/steve/pilot

Webring:

Here you will find links to over 200 web pages on the Pilot !!! You can view the list of all sites in the Webring with a short description of each, or you can navigate the whole ring from site to site with the links below...