Geezzzz what does this even mean "....I prefer the sophisticated proprietary SPDIF digital circuits that take advantage of Aurender's field programmable gate array phase locked loop system and ultra accurate OCXO oven controlled crystal oscillator clock with its incredible 0.02 ppm accuracy."
Here is the bottom line, you asked the question so you have the itch to buy one so just do it and then you can tell us if the upgrade was worthwhile
A wise man once said everything sounds good until you hear something better.