Hey guys, I have a question about connecting my iMac to my surround system. I have an optical audio cable, and I connected it from my iMac to my surround system, but I get no audio whatsoever. If it helps, this is the one I have ( http://www.amazon.com/Samsung-HT-Q4...9?ie=UTF8&s=audio-video&qid=1182029440&sr=1-7 ). The question is though, is connecting it to say, play music off of iTunes possible? Because I don't really see anyone else with my problem, and I'm wondering if I'm trying to do something that isn't really done normally. I already have my mac hooked up to the tv via HDMI, and want audio, but I'm just getting nothing. If you guys could help me out I'd really appreciate it!