A Cost Analysis of Windows Vista Content Protection

I found this article talking about the new features in Microsoft Vista. At this point I am still reading this document.

Say you've just bought Pink Floyd's "The Dark Side of the Moon", released as a Super Audio CD (SACD) in its 30th anniversary edition in 2003, and you want to play it under Vista. Since the S/PDIF link to your amplifier/speakers is regarded as insecure for playing the SA content, Vista disables it, and you end up hearing a performance by Marcel Marceau instead of Pink Floyd.

Copy of article is found here

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Tags: DRM, Vista

Update: Read answers here