howdy. i have a dv400 slot-loading imac that i've been trying to upgrade from os9 to osx. here's the prob... even though i let the installer check the media and it always proceeds with the install (i assume that means that the media is okay), it craps out at 78%. the buttons all get (semi-)random characters (for examble, the number 4)and the text of the dialog itself changes to numbers, something like "2222222" (without the quotes). it then spits out the disc (number 1) and i'm dead. i've run the hardware test disk in both quick and full modes, and again, no problems detected. i am so open to ideas... tia.