Usher tends to make some very nice sounding speakers. I think you could set up a hybrid multichannel/2 channel rig optimized for music around your marantz & parasound gear.
You would need a pair of the Usher Mini-x standmount speakers as surrounds...and a couple of subwoofers, of course. The Usher floorstanders should image well that you wouldn't need a center channel.
Try some of the music upmixers, Auromatic, Neural X, DSU, etc in your Marantz with a 4 channel setup like that...might be hard to go back to stereo when you get it tweaked just right.
@deep_333 Lol. You may be right. I said I was done buying new camera gear, but that was five bodies ago.
I doubt I’ll ever replace the Bose speakers, as they do a really great job as HT surround speakers; the center speaker is carrying most of the water in that setup.
I’m loving my JC5, but if I won the lottery, I’d be all over a pair of Parasound JC100 monoblocks. I might also look at different speakers (but probably still in the Usher lineup). But there are many other things that I would spend my money on first (not audio related).