King Crimson - In the Wake of Poseidon: 40th Anniversary CD + 5.1 / hi-res DVD-A (expanded / remixed / remastered)
This is the new-new version of ITWOP, newly remixed by Steven Wilson with lots and lots of new things.
The CD has a new stereo mix made from the original multi-track tapes as well as three previously unreleased bonus tracks from the same sessions.
The second disc has the new 2010 versions in lossless stereo and in 5.1, as well as the original 1970 album remaster original master edition version of the album plus 7 additional bonus tracks (don't you want to hear takes 1, 5 and 15 of Groon? I did!).
Phew. Lots and lots of stuff here.