I have only just found your product and can I say how easy it is to work with.
I would like to suggest direct IP support for the new Lightwaverf home automation gear in the UK ( lightwaverf.com). Their gear is aimed at the home rather then the custom installer like Roomie. They already have their own iPhone app that ‘talks’ over the local ethernet network to contol their equipement. More details can be found here on their protocol