I'll answer my own question. The answer is yes, I do hear a noticeable difference between my new/used node 2i and my old b1. Everything is noticeably better not day and night but still noticeably better, soundstage seems wider and more detailed. I didn't think I would but not sure why I waited this long. Next is replacing my amp.
Upgrading from b1
About a year ago I was given an old bluetooth receiver about 7 years old, then I upgrade to the audioengine b1 (3 months ago) and the difference was quite noticeable when streaming tidal. So, well I hear a noticeable difference if I upgrade to a wifi streamer, node 2i, cambridge etc? My system ml 60xt speakers, outlaw mono amps on older outlaw 975 processor. I'm reasonably happy with the current sound.