Linux Home Automation

I found a great video lecture on home automation at linux.conf.au site. Looks like this conference is great, and for the rest of us who can't be there videos are a god send!
 
Check it out:
Linux and Home Automation - Lessons Learned presented by Glenn Wightwick
Download the video here or look at the slides
 
Look at whole Linux.conf.au 2008 programme.