I use Xantech stuff with perfect results. Highly recommended and a lot of it can be found on eBay. Their RF blasters keep you from having to wire a silly little emitter to each component. I also now use a RF remote from Universal Remote. They are easily programmable from a computer.
http://www.universalremote.com/
Good Luck.
http://www.universalremote.com/
Good Luck.