The Audience FrontRow RCAs arrived and have settled in a bit now. I would say that almost everything I had read about them is what I am also hearing. The most appealing aspect of the cables is more spatial presence and a little bit wider soundtstage. They are ever so slightly softer in the highs, but this also makes them smoother and musically engaging in my system. The speakers disappear a little more with the FrontRows.
I could see how the Iconoclast cables could be preferred in a different system. They have spatially sharper and more defined edges, but the overall image is somewhat smaller and more condensed. As was said at the audiobacon website, the Iconoclast are also a little more vivid, slightly more detailed and leaner overall.
Pretty close, but in my system, I will give the nod to the Audience and keep them. I am going to get the LTA Micorzotl Level 3 preamp upgrade next. I will probably keep the Iconoclast until then and I can reevaluate if one sounds better with the upgrade. Thanks to all who commented in this thread.
I really do wonder what the Zenwaves would sound like. I have AQ Fire silver interconnects and a Mundorf silver/gold DC cable I really like, so the idea of the silver/gold wire in the D4s intrigues me. Someday, I will have to try them.