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 and up-to-date database about many different laptop pages.
The author maintains a database about different laptop hardware, such as PCMCIA cards, graphic cards, sound cards, IrDA™ devices and more at LiLAC - Linux with LAptop Computers
Lionel, "trollhunter" Bouchpan-Lerust-Juery, <trollhunter@linuxfr.org> 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).
To join the Linux-Laptop-Mailing-List write a mail to <majordomo@vger.rutgers.edu> with subscribe linux-laptop in the subject. You will get a confirmation message than, which you have to reply appropriately.
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 <debian-laptop-request@lists.debian.org> with a subject of subscribe. Or visit the Debian/GNU Linux site and use the online form.