More Migration Difficulties

I reinstalled the OS (via "Erase and Install", removing unneeded languages, printer drivers and apps), completed the Setup Assistant without migrating. Then I allowed Software Update to run, updating to 10.4.6, and updating 9 other apps. Finally I ran Migration Assistant again, and it ran into the same problem: Apparently I have more than 60 million gigabytes of data in my home directory.
I'm currently on the phone with Apple support, but I am not hopeful that they'll resolve this issue (update: nope).
I tried before to remove all of my movies & images, but I had left music and sources from work in there. Maybe I should remove all four of those and try again. Here goes...