Wireless Stereo?

Right, so recently I discovered some pretty schwank music websites. I'm playing them on my stereo in my office, but I was wondering if there was any way I could get these to play on my stereo in the living room? The living room is 30-50 feet from the office. I know using a headphone/RCA jack that was that length hooked to that stereo would work, but is there any wireless way I could play my computer as auxillary on my stereo in the living room or something? I know Apple does that iTunes thing, but I don't want it specific to one program, just through the comp output to auxillary input.

FM Transmitter?

I'm a techno-baboon when it comes to audio stuff. So I could hook the comp up to the FM transmitter, transmit, then play on my radio in the living room?

Yep, so long as you can find a transmitter that will do 50 feet / whatever. Should be able to take it from the line-out so you can still listen from your PC speakers without and trouble too.