these being the ones that won't be included on the upcoming 3-disc set. i believe they're still available for download here:

http://www.slicingupeyeballs.com/2010/05/13/cure-disintegration-alternative-rarities-tracklist/

usually i don't give a toss for demos/rarities but these have been really enjoyable to listen to. and a reminder of what a masterpiece Disintegration is