Anyone who is skeptical, but has the time to actually read a few pages explaining why there can be a difference in "bit perfect" players, can post a request for the links...
Part One:http://www.audiostream.com/content/qa-john-swenson-part-1-what-digitalPart Two:http://www.audiostream.com/content/qa-john-swenson-part-2-are-bits-just-bitsand then this:http://www.audioasylum.com/forums/pcaudio/messages/7/70925.html