Hey, just saw this thread. Couple of q's. Second picture, at least to me, appears to have space behind couches? (but the other pic shows it right up against wall). Optical illusion, or you slide them forward?
And I honestly don't know (hoping you can tell me), but if a speaker was front ported, does it matter still?
You are thinking, roughly, $500 or so? I'll jog my brain some for ya. I figure, if you were thinking $750-800, ya might as well get the matching Sigs. Still, less that, I would think a different lower level Paradigm could be a good idea. If one can't match within the line, staying in the brand seems to be oft recommended.
I hope to chime in again soon with something or other, but no promises!