According to the update:
The Dualdisc contains the standard album as well as the advanced resolution stereo and 5.1 surround sound mixed by James Brown and Trent Reznor. It will play on both DVD-Audio players and standard DVD players.The access update deals with album packaging, tour details, specifics on the album production and The Hand That Feeds video. Thank you very much to everyone who sent this in (we can't list all of you).