Mac OS X 10.3.7 may not properly boot when it is installed on a drive that is secondary at the time of installation. In other words, for some users, when Mac OS X 10.3.7 is installed to a volume other ...

Secondary volume booting problems: Not relegated to FireWire drives, possible explanation Yesterday we reported on an issue where Mac OS X 10.3.7 may not properly boot when it is installed on a ...

I think the reason we haven't heard many complaints about the doing away of physical media is exactly this. As long as power users can make their own offline media, there's nothing to complain about.