This is more an FYI than a request for information, but if anyone has any corrections, anything to add that would make the following process more efficient, I'd appreciate it.
I've found that using Toast 7 Titanium on a Mac Powerbook (G4 1.33 GHz, 1.25GB RAM) to burn ".MOD" files from my JVC Everio GZ-MC100 4GB microdrive camcorder is very easy - the best solution yet that I've found for authoring DVD's for friends and family.
The Everio records to MPEG-2 format, which is the same format used for DVD movies. Since the recorded format is the same as the final format, I've been looking for a solution that didn't require conversion of the files. Toast 7 Titanium works great in this regard. Note that my previous version, Toast 6 Titanium, did not, as it wanted to convert the files even though no conversion should be necessary.
Note that it is not necessary to rename the file extensions - many solutions require renaming the ".MOD" extension to something else, but I've been using the .MOD extension with no problems here.