I attended Ken Boak's ( http://sustburbia.blogspot.com ) Nanode Workshop at the London Hackspace recently and built my Nanode5 kit. This AVR microcontroller is a low cost simple version of the Arduino + Ethershield. It is ideal for Home Monitoring and simple Automation projects.
I have created a special Blog to track my progress and experience with my Nanode.
You can find it at http://j.mp/ntbee [ http://nanodethebee.posterous.com ] and also a twitter log at http://twitter.com/nanodethebee