"The feel of dimensionality in the front to back soundstage is more important than side to side. I want to feel the singer's voice projected 1/2 way into my living room. Am I making any sense here?"
Yes. Cables do vary around the attributes you described. I am hardly a cable guru, but Purist cables do depth and natural. They don't launch sound in front of the speakers if that's what you meant by "1/2 way..."
I recently happened upon a thread detailing an unusual cable. I found it very interesting, so in my immature excitement I am going to lay it on you:
OTA