Hello, I have a 2009 octo mac pro. Currently installed two gt120 cards and driving four displays in my office. All is well. However, I have a large plasma display, with built-in speakers, in the room next to my office, and I would love to drive this display from the mac pro. The trick is, I'd like to have a simple, one-cable connection, so I am looking at an HDMI connection from the mac pro to this display. Two questions immediately come to mind: 1) Is there a standard way to tell a mac "when you play this content, send the video and the audio here" ... because connecting the display and creating a 5th screen is easy, but how do I tell it to send the audio over HDMI ? Basically, if my cursor is in the first four displays, just deal with audio normally, but if my cursor is in the 5th display, send audio out the HDMI port. Or ... I guess I could just send all audio out the HDMI port all the time, and just have it go to nothing, since the display would be turned off (or tuned to another input ...) But does that work ? Can I get audio out my computer speakers AND out of HDMI at the same time ? 2) If any of this is workable, are there any "approved" video cards with HDMI on them ? I am not interested in a second computer just to enable video content on this screen... Thanks.