So, from the responses so far, it appears that the summary answer is quite simple... buy as good of a DAC as possible. The only other issue is that you might also reclock your digital signal pre-DAC with one of Steve's devices (or alternatives). And Neal is a snob.
There are albums on Rhapsody that sound better than many of my CDs. The Rhapsody version never sounds better than the redbook version, but that doesn't mean it's bad.
There are albums on Rhapsody that sound better than many of my CDs. The Rhapsody version never sounds better than the redbook version, but that doesn't mean it's bad.