Here are some useful links.  I will try to sort them as I add them.

Cable Modems/@Home

http://members.home.net/jasonbrossa/Linux

Linux Applications

http://www.linuxapps.com/

http://www.linux.org/

Linux Distributions

Linux-Mandrake

Redhat

Slackware

SuSE

Turbolinux

Firewall/Proxy Server

Linux IPFW Firewall Design Tool

http://www.linux-firewall-tools.com/linux/