Nice to see this thread revisited.
I like both but both have niggles, maisies the lack of bee space at the top and paynes the thin roof causing condensation. I also have a few of the thorne s poly nucs, oddly these have too much space either end causing brace comb issues, probably because they're designed to fit slightly wider frames.
Maisies are an easy fix by taking a bead depth off the frame rests, paynes need the roof depth increasing by glueing a slab of poly over the existing roof and the thorne nuc can be saved by glueing a 5mm correx sheet either end. One day someone will come up with the perfect national nuc out of the box, maybe lyson? I do like their poly hive design.
They're all useable though, even the much maligned side feeder on the paynes nuc I use with no problems.
All in all, bravo! Polynucs in general, brilliant bits of kit, I particularly like the lyson mini plus for queen mating.