I made Mac readable ISOs of The Grand, burned the first ISO to disk, and it installed and passed the copy protection check. Unfortunately, when trying to open the VST, Logic crashes. This has been the case with several VSTs so I suspect that some of them just don't like Logic. (Arturia Moog Modular and MiniMoog both crash it too). I tried uninstalling The Grand and re-installing from the original CDs but it still crashes when opened in Logic.
In any case, I can share the Grand ISOs that I have since they are Mac os9 readable.
Regarding SoundDiver, the files in that archive are not exactly what are on my CD. I can share an ISO or a .sit of the files.