Myself, I ripped the wav file, and then encoded it several ways, and then threw the wav and the mp3s all onto my Empeg. I then did listening tests in my home and in my car. I thought about burning the mp3 to a cd, but I thought that I once read somewhere that different decoding programs can result in somewhat different wav files. Rather than pursue that possibility, I just used the Empeg.
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_____________________________ It's getting to be ri-god-damn-diculous.