This is what I had intended to do at some point, great work and info on the various errors and cuts on the WB transfers. It still puzzles me why it is the original material restored version that has all the errors and missing bits.
I still prefer the Bosko Diamond DVD because you can see all the grain intact along with audio that is straight optical complete with source defects. The only downsides are those awful superimposed release dates and the very poor condition of "Terror on the Midway", but that was like that in all other issues.
I'm also almost positive that the earlier Image DVD release is the same transfer and that overall these are the same work stemming from the 1992 LD release. (The opening video credits on the Bosko DVD refer to Laserdisc to boot) That would still be the best source for audio being PCM mono, but will have the same source defects as displayed on the DVD's lossy track. If anyone knows better about these earlier releases let me know.
These shorts need a proper restoration, as they have created a massive legacy still felt in animation. Personally I feel that these are the best ever adaptation of Superman in any format.