> Also, is there any technical description of the .mcz "file format"
> anywhere? What is the "snapshot.bin" file in .mcz files?

I guess the only documentation of the file-format is the source code
itself, namely the class MCMczWriter. At least this is what we used 4
years ago when implementing SqueakSource. You might also be interested
how Traits added their Monticello support.

Lukas

-- 
Lukas Renggli
http://www.lukas-renggli.ch