I agree the distortion on the phone ring in Mothman Prophecies was almost certainly source-related since it happened with all 3 speakers. At this point I'm thinking the problem may just be a combination of my imagination and a very revealing speaker, who knows. I seem to be very sensitive to things like distortion/artifacts/etc, for both audio and picture quality. My wife thinks I'm crazy though...

I will certainly be listening for any problems in the future, and I'll check the Diana Krall disc when I get it. I hope your driver replacements solve your problem.