And now, the real meat of what I've learned:
That's all I've got for now. Hopefully some of the above principles will help you more effectively evaluate options the next time you need a pair of boots.
I used to be a footwear buyer in outfoor retail and that is one of the more informative posts I've run into.
My boot size went up a half this year, so I had to abandoned the two pairs of Asolo FSN 85/95s that I've been using for well over a decade. Picked up the Nike SFB and the Asolo Piuma, both "minimalist" designs consistent with where my footwear preferences have gone to. Only have a month and maybe 80 miles total on the pair, but love the fit and lightness (Nike 19 ounces each and Asolo maybe an ounce less in 12.5)
I'm rarely rucking over 20 pounds, almost never over 45 and I've been a minimalist shoe user for a couple years and my lower leg/foot musculature has adapted accordingly. Day hike above timberline in Vivobarefoot low-cuts and Vibram Fivefingers (and have the black toes to prove it).
As mentioned above and in the "More Boots' thread, the "weight vs durability/mobility" discussion has been going on for some time in outdoor gear. Having gotten older and seeing advances in boot tech, I've gone from all leather Raichle and Danners to lighter options. Everyone has to decide where their comfort zone is on that scale.