Helpful Links
While writing all this automation code, I found tons of useful information out there. I'll try to keep this post updated with some of the things I found that we especially useful.
Insteon Command Reference
AD2USB Forums (vista alarm panel interface)
One Wire FS
LibConfuse Documentation
LibEvent Documentation
BrulTech
Bitfield decoder
http://marc.merlins.org/perso/linuxha/
http://homewireless.org/wp/2010/03/insteon-commands/
http://irrigationcaddy.com/blog/
WMR968 Serial Protocol
http://hobby-boards.com/store/