I run the Kennetrek NI Mountain Extreme boots also for a lot of my hunts. I have a pair of 200 gram insulated Cabelas Meindl Alaskan boots I wear that fit and function similar to the Kennetrek boots but are a little heavier and warmer. They are about the same for stiffness. I use them conditioning and save the more expensive Kennetrek boots for hunting since both are well broke in now.
The other boots I just bought recently I'm trying out is the Salomon GTX 4D. It's replacing a pair of Danner pronghorns that got stolen with my vehicle a while back. So far I like them better. They are much lighter than the Kennetrek or Cabelas boots and have decent ankle support although not nearly what the other boots do. I will likely use them on some hunts with less steep terrain or side hilling. I need the ankle support if I'm side hilling all day. I will also always have the stiffer boot in the truck or at base camp so I can switch when packing meat after the first load. The Salomon is light and comfy but when I've worn them conditioning I can definitely feel the thinner sole after a few miles of hiking over rocks. It has it's advantages too, easier to walk quietly and feel what's underfoot.
For camp or hotel shoes I have LL Bean rubber bottom, leather top moccasins that work well and keep socks dry with a dew or after a rain. If weight is an issue I like the Dawgs brand Hound shoes that look like Crocs but are lighter and really comfortable to me. They won't stop a big thorn from getting to your foot though, they need used with caution.
Basically the Kennetreks are my main boots. For cold wet weather the Cabelas boots are my back-up. For warm dry weather the Salomons are my back-up.