Kenneth E. Harker maintains a quite valuable database at http://www.cs.utexas.edu/users/kharker/linux-laptop/ . Please have a look at his site to get current information about laptop related mailing lists, newsgroups, magazines and newsletters, WWW sites and a big database about many different laptop pages.
To join the [email protected] mailing list visit the subsription page at http://mobilix.org/mobilix_ml.html. There you may also find the list archiv.
To join the other Linux-Laptop-Mailing-List write a mail to <[email protected]> with subscribe linux-laptop in the subject. You will get a confirmation message than, which you have to reply accordingly. As far as I know there is no list archiv.
There is now a debian-laptop mailing list. Any questions or discussions concerning running the Debian/GNU Linux operating system(s) on laptops are welcome. Send mail to <[email protected]> with a subject of subscribe. Or visit the http://www.debian.org site and use the online form.
Also recently founded was Running Linux on IBM ThinkPads, to join send an email to [email protected], to post send mail to [email protected] . See http://www.topica.com/lists/linux-thinkpad/.
Lionel, "trollhunter" Bouchpan-Lerust-Juery, <[email protected]> has written a similar HOWTO, please look at his laptop pages http://infonomade.linuxfr.org/index.html (French version) http://infonomade.linuxfr.org/indexen.html (English version).
Newsgroups are comp.os.linux.portable, comp.sys.laptops .