Albertporter, when I read your response to my earlier posting I was somewhat taken aback, and hence responded a little brusquely, I apologise for that.
Following that posting by myself, I went "Back to the Future" and looked at the thread material of late '08', and very vigorous it was too! To me, the nub of it in relation to yourself was your comment:
There was a time when I put all my effort into making digital right and at one time I had my system where digital and analog were very close. One day a friend who had not visited in a long time, a guy with excellent ears, listened with me and pointed out the fact that I had managed to "down grade" the analog source to make the digital warm and friendly enough to enjoy.
After that, I returned to my quest to make the music as dynamic, transparent, resolved and emotionally involving as possible and when that formula is applied, analog excels and CD falls.
I can very much sympathise with your "battle", as in many ways I have gone through similar myself: the difference being that in my case I was able to reach a positive, rather than negative outcome, with what would be considered pretty ordinary equipment, playing very ordinary CD's; others have seemingly achieved similar results. I will just repeat what I have said elsewhere that I have experienced very expensive, highly tweaked, at home vinyl setups that have sounded a) stunning, and b) excrutiatingly harsh and unpleasant, so I certainly am aware how there can be two ends of the scale, irrespective of the time and money spent.
The answer, to repeat myself, is system engineering, and yes, in digital it can be much harder to get it right, compared to vinyl, but superb results on that "nasty" 44.1k digital CAN be achieved.
Finally, a "thought" experiment. I would suggest that your own system, in top form, be modified by the addition of a black box completely hard wired in, with a bypass switch. This would be engineered so well that it would be 100% transparent with the bypass engaged (unlike how all these DBT setups most surely are typically set up,) to yourself and anyone else you care to have listen. In the black box is a "done right" 44.1 analogue to digital converter feeding a 44.1 digital to analogue converter, engineered CORRECTLY with current technology, and, you can guess what's coming, I would seriously suggest that the people listening would find it close to impossible to pick when the extra circuitry was part of the mix ...
Frank