Baddabob,
You make a good point and are quite correct about my pretty ordinary source components...I stand corrected. I have not made direct comparisons with anything approaching the $2000+ range (a high quality source). So in all fairness, my remarks reflect an opinion about high end digital sound based on my observations of a variety of products from low to mid tier that sound alike.
Since I do not find audibly distinguishable differences between these ordinary to mid tier DAC's (despite using three very different types of DAC), I am naturally a bit skeptical to pay big prices for even better quality components. ( I understand that the higher priced components will definitely be better quality/specification...but my concern is that, given the already good quality of even low to mid tier digital sources, I simply won't be able to hear the improvement of a high end digital source because the low and mid tier digital is already good enough for me...)
Thanks Baddabob for pointing this out.