You will need a IR543 if you use your Pronto but X10.com does not sell them. You can get one at [Link: homeautomationnet.com] Also you may want to look at the switches that they sell. They are of a better quality than what X10 sells and a very good company to deal with. For your lamp modules you will need PLM01's. For your switches you will need XPD3's at [Link: homeautomationnet.com] As for the drapes it is a little more complicated at rrdeals said. There have been several post on this subject. Do a search with the word "drape" for some disscussion on this subject.