I recently bought a 2009 mac pro. Now, I'm trying to setup a small bedroom home theater. And sound is still my main problem here. I used my Mac Pro mainly for doing graphic works, listening to music, watching movie, and gaming sometimes. Here is what I currently have. 8-Core Mac Pro 40" 1080p LCD TV for Movie 24" LCD for doing graphic work Harman Kardon Sound sticks (trying to get rid of this and replace it with a 5.1 or 7.1 system) And here is what i'm buying 5.1 or 7.1 Receiver Speakers My plan is to get audio out through the optical output. But according to several articles I read online, optical output does not transmit audio when I play music on iTunes or play games (in BootCamp), is it TRUE? So far, I couldn't find any sound card (internal or external) which work for mac pro that has 3 analog 5.1 signal output which I can use with standard 5.1 speakers. The only things I found is the Creative DDTS-100 and the FireWave which were all discontinued. What other options do I have?