I only spent "$1,400" for the Japanese SACD of M2 of this cycle, and can't tell much difference, if at all, in sound between the M2 regular CD DSD remaster in the Carnegie Hall full cycle set and the Japanese-issue SACD, which used the same DSD remastering.
The bottom line on this is why the heck didn't Sony agree to a SACD reissue of the entire cycle in the U.S. at a much more reasonable price as opposed to spending "$14,000" on separate release of the individual symphonies on Japanese import SACDs?
Wade