Oh man...modern day tech sure does throw a wrench into things at times.
I got 2 of 6 with my desktop speakers that have a short in the right channel. Stupid cat eats everything. Those 2 correct I was certain but the rest I was up in the air about mostly because I wasn't sure what the song SHOULD sound like.
But, at the end I decided the differences were so subtle it didn't ruin the music.
I didn't know about the argument until my brother brought it to my attention after burning a bunch of CD's off napster while in college in 2000. But I could never really tell a significant difference. Only people that could, and got it wrong at times, had very big egos I can certainly hear a difference in the quality of recordings between artists though.