@smodtactical I have previously considered the Hegel 590 or 390 since I have demoed the 360 and top end monoblocks with KEF Blades and thought it was very good, not as good as the Luxman, but something I could be very happy with long term.
https://www.audiogon.com/listings/lisa1176-hegel-h590-integrated-amplifier-multi-channel-amps Every time I see this integrated or the 390 I keep asking myself why not just get this and make my life simpler. I think it would be a very good match with the NS5000. (390 is ROON READY and 590 will get update soon)
I just remembered that I demoed the Mark Levinson 585 integrated with Magico A3 speakers. At one time I was going to get that before I went on the separates tangent. However, the 585 is excellent, not as good as the Mark Levinson separates but almost as good for massively less money.
https://www.audiogon.com/listings/lisa0i26-mark-levinson-no-585-solid-state
For a short range solution you can sell all you gear and get one of these integrateds to do the same thing. I forgot if the ML 585 does streaming like the Hegel.
I have had the Bryston 7B-SST and Bryston PowerPack 300 SST (same as your 4B-SST) and I can definitely say both the older Hegel and the Mark Levinson sounded better to me.