I have tried a few Linux distros starting with FC3, Mandriva, SUSE and now Ubuntu. Ubuntu being the hot distro currently, I gave it a try.
I have listed the sites that I had referred to when I faced difficulties setting up Dapper Drake (Ubuntu 6.06 LTS). Some of them are official and some not.
First things first. You can download Ubuntu at http://www.ubuntu.com/download
Want to know more the latest on Ubuntu http://ubuntu.wordpress.com/
Want to listen to MP3s, watch DVDs and all this without much effort. Download and install this script http://easyubuntu.freecontrib.org/
Ubuntu for Beginners and Experts
The (K)Ubuntu community http://www.ubuntux.org/
Install anything on Ubuntu
Wondering how to install your favorite program. Check out http://monkeyblog.org/ubuntu/installing/
Want help on configuring that legacy hardware? Post your questions to the experts at http://ubuntuforums.org/
Ubuntu Wiki answers several of your questions http://ubuntuguide.org/wiki/Dapper