i just don't want to tear my shit up, thick cardboard with a plastic disc holder would do the trick and satisfy the hippie consortium (i have a few older pc games packaged that way, and they've all remained in great shape)
when i was taking the saboteur out of the case i thought i was gonna break it
i owned one of the james bond blu ray sets, and they had this foam disc holder on the cardboard that worked well, too - it was easy to remove the movie, and when you put the disc back in the foam expanded a little around the hole and held it pretty securely