John Kesecki offers yet another potential work-around: “I was able to install InDesign 2.0 by installing to an OS9 partition and then copying the entire folder to the OS X Applications directory.
InDesign 2.0 Installer Update 2.0 is an update to the InDesign 2.0 installer that fixes two errors: it enables you to install InDesign 2.0 under Mac OS X 10.1.x ...