Frankenchrist, Im not using a 1-wire interface but this kit instead http://electronickits.com/kit/complete/meas/ck110.htm
although, the 1-wire is a really sweet way to log and monitor temperatures.
Im also using X-10 modules for all the lights,pumps and fans etc. Its simple and reliable. as for...
I have an automated reef going here: login: guest password: guest
http://homeseer.bounceme.net:8080/
It is really esay to implement a webcam but I just havent had the time to do it. I can change and control pretty much any aspect of the tank like lighting and turning fans off and on etc.