At a conference in Berlin, the AACS LA unveiled the final version of its copy protection system. According to heise.de, this version will provide additional encryption to protect the AACS key and make it harder to produce illegal copies. The AACS LA has also added a watermark detection mechanism that will prevent the playback of watermarked content.
At a conference held by the DVD Forum in Berlin, the AACS LA copy protection consortium has presented some new concepts to combat the piracy of high-resolution movies. In particular, the industry organization has set its crosshair on AnyDVD-HD software; the final version of the copy protection system called AACS (Advanced Access Content System) will contain additional security mechanisms that protect the AACS key and make it harder to produce illegal copies.

For example, the final version of AACS will have a watermark detection mechanism. Movies shown at cinemas will then include a watermark invisible to the human eye. If the movie is then ripped with a camera in the cinema (cam rip), this watermark will still be visible to the player, and players that comply with AACS will discontinue playback as soon as they detect it.
heise.de also reports that the AACS key being used by AnyDVD HD will be revoked in a few days. Knowing the people at SlySoft, they've probably found a new one to use. If you'd like to read more, the entire article can be found here.