Awesome thanks for replying d0t. I will certainly give it a go when my Echo arrives in a couple of weeks!
In the meantime, I've created a separate post outlining the Arduino code and OpenHAB config for the Garage Door opener if anyone is interested or needs to build the same...
http://www.geekzone.co.nz/forums.asp?forumid=141&topicid=192198
Cheers



