DRM and Audio in Vi

I have read that High Definition Copy Protecection (HDCP) will be implemented into Windows Vista as part of the digital rights management requirements. That apparently will affect playback of audio and video streams to thwart media pirates. One article indicated that digital audio connections (via SPDIF) will not play for protected content. I have aready seen this problem with playback of contect on an HDTV via a DVI connection when the HDTV does not have HDCP implemented. It is annoying because it is a relati'vely new and expensi've HDTV monitor.
Are we going to have problems with audio playback of high definition content in Vista? Will it no longer be possible to connect digital coaxial connections to a home theater receiver if you want to play advance media such as HD-DVD or Blu-ray? Will the video and audio connections have to be merged into one of the next generation DVI connections that will force people to buy yet another set of equipment and connectors? Will all of the Creative audio boards be obsolete under Vista? Or is this just more confusion about a new and incomplete release?
Would someone please explain what will and won't be necessary for playback of high definition media on Vista? In the end, I know this will all come down to products, hardware, and software but right now, I would just like to understand how the building blocks will work together to make a whole.
Thanks.

Based on a white paper from Microsoft in 2005 found at http://www.microsoft.com/whdc/device/stream/output_protect.mspx
The audio interface issue for premium content was far from settled at that time.
The paper indicates that 2006 will be a year where the premium content will probably not enforce any restrictions. But, the future scenario is muddled. Many things could have changed since this paper was written and some of the agreements may have solidified but I have not seen any verifiable commitments from Microsoft or any of the major vendors.
As users of this technology, we don't want to be forced to change connectors, hardware, receivers or any other components we own. But, everything I have seen in the audiophile/videophile uni'verse points to vendors making changes to comply with the requirements of the media oligopoly and its army of lawyers.
Can someone with first hand knowledge from WinHEC or some other current technical forum give me a clear picture of what will happen in Vista and how it will affect the audio interface?

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