There are times when the snow pack just isn't playing fair, and you'll be slipping and catching, but there's strategies for dealing with that, or you adjust the route. I've had to do this around Mt Baldy where the snow is mostly a frozen surface, but postholing was real too. I just never was moving free and easy. My wish list would have included a light, packable snowshoe with aggressive tread; Microspikes for the icy, well trod lower trail; and aluminum 10 point and a short ice axe for the rest. Yea, right. Hehe.
But if you already anticipate packing your snowshoes, well, shiet, that cinches it for me, cause carrying the NL are a breeze. I've done it for miles of terrain or road in the Spring shoulder when the roads are a mix of dirt and pack, and the trail, too, was so nicely packed you aren't post-holing. Then on go the NL's when we went off the established routes.
I've never heard about structural issues with MSR. But I also always bring a few sizes of cable ties for repairs. Mostly those narrow, short ones we use for IT cable management.
man, enjoy the snow! I'm getting excited myself.