Here's the deal: Just got a new iMac with Airport Extreme built in. I bought Airport Express last night so I could stream iTunes to my stereo. [Not using it for internet, as my iMac is hooked up to a cable modem via ethernet port.] My stereo has an optical out port in the back (I've used this before with DVD players to get stereo sound, so I know it works), so I also bought an optical cable with toslink to bridge between A/E and my stereo. I set everything up, my computer recognized the A/E, and showed it as being connected, but nothing';s coming out of the speakers! Does anyone have any suggestions? The iMac is in the living room and stereo (where the A/E is) is in the bedroom, about 20 feet away. I was so looking forward to this working!