I think we're getting off-track from the OP's question. I believe he is saying that if his source component is putting out a bunch of 0's and 1's in the digital domain, does the DAC really care, and if not is "synergy" therefore not a consideration with that particular marriage? I'm...

When John Grado was over at the house shooting the breeze last weekend, I said: "Say John, how do you phonetically pronounce your last name?" He said "Gray-dough". I replied, "Are you sure? It isn't Grah-do as some of the boys back at Head-Fi have believed?" He answered "No". I'm not...

Didn't see this one mentioned yet: Roberta Flack - First Time Ever I Saw Your Face Another personal fave, though few will know it: Christine Collister & Clive Gregson - No Word Of A Lie