This question gets asked a lot. As long as you get a learning universal remote, you won't lose any of the infrared commands from your original remote. Two very popular lines on are the Logitech Harmony and the URC remotes.
My suggestion is to take a quick look at the various reviews on the www.remotecentral.com forum to get a better idea of what is out there.
My suggestion is to take a quick look at the various reviews on the www.remotecentral.com forum to get a better idea of what is out there.