Well, at last count I haven't had any discs go bad on me, so I guess that puts me solidly at 0% loss. I had a couple CD's start skipping because they were visibly scratched, but that was all on an old Pioneer 6-disc changer a little over ten years ago. It's particularly odd that it just "konked out" almost as soon as they came out of the keepcase. If it was just one player, I'd suspect the same thing you did initially -- player incompatibility. I had a disc or two that would sometimes have problems with my old A310, but those discs worked fine in the Toshiba SD1600 in the bedroom and in the new RA60, and none of them went so far as to flat out not play.

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