Thanks all. The price of $1800 includes the remote, installation, the IRF-6, the RS-232 module, two or three sensors and programming ($400). I will play with the software and get a feel for programming it myself. Apparently the programmer has done many of these and they are trying to convince me that it is not worth my time as I will not get the intricacies and details that he will.

Another question: My initial puzzlement over the modules was exactly that I thought my components had discreet codes that would allow specific on/off decision trees etc... My understanding now is that the sensing modules are even more powerful and foolproof, is this correct?

Finally, is the RF reliable or not.

Thanks again, hopefully you do not consider this to be pestering.