I see this is rather old post, and have not read it all. Saying that, I have found that both the Echole and Zenith cables are spectacular at the cost-no-object part of the question.
As for the second posted question in the original post, one can't go wrong with Kimber or Cardas cables for the...
I still do, playing on a Gryphon Scorpio CD player, my current streaming device (Chord Chordette) is some steps below in terms of resolution, dynamics and tonal purity compared with the former.
I just posted this review in Spanish for a local forum down here, I translated it through the Google translator tools - hope it is reasonably "readable".
GRYPHON ATILA/SCORPIO
I just finished a detailed listening session of the Danish Atila / Scorpio couple from Gryphon, a brand that I am...
I am familiar with both amps, great sounding units but would lean towards the Gryphon. Excellent choice of speakers, the Diablo would drive them very well.