You know, I always wondered what happened to Simon Douglas? I met him at an Amiga show long, long ago. He was very nice and we talked a great deal about programming, the Mac, and other things.
Simon told me that he read the programmers of MagicSac(sp?) for the Atari ST (Mac emulator) stated that Mac emulation would be nearly impossible on given the memory mapping of the Amiga. He thought that was crazy and started working on a Mac emulator himself. He was able to get the thing booting by the end of a weekend (alpha version).
As I said, he was very nice and quite friendly.
Cheers!
-P