I am going to be buying some basic devices to "fix" some bad wiring in my house. Of couse this will open door for computer controlled home automation. I'm looking for direction for software, where to buy, essential components, etc.
I looked into this some time ago (before my old Mac got setup as a Linux server). I don't know about OSX compatibility, but this is a great place to start: http://www.lowendmac.com/macdan/01/0924ek.html