You need a scene switch an IR transceiver a way to program the switch and a remote capable of sending out X10 (most can). We put together a kit that is really a loss leader to get you started into X10 right.
[Link: homeautomationnet.com]Any more questions just ask, we have kits for drapes also. Sound Advice is a great store, I love going in there it's hard to go in and think budget though.
Bill
www.homeautomationnet.com