The recipe for the right modding for mac mini? Easy!
If you are tired of the old skin and want something more traditional, then the problem is solved as follows:
Take the old Apple II drive and shake all the stuffing out of it.
Now remove the case from the mac mini and insert the offal into the box from the drive so that the slot for floppy disks is aligned with the hole for the DVD.
Happened?
Details can be found here.