I picked up the Cabelas Instinct 40L pack. I like it, but it's also my 1st heavy duty pack. I will admit I haven't hunted with it, but I've been hiking with it around Arizona and other than a slight squeaking with heavier loads (30lbs +), down around 25-30lb loads I don't hear it. But, when it comes to storage, I like how there is one main top load bag, then 2 smaller pouches, and a separate pouch below for the meat bag that it comes with. I will say that the 1st thing I did was get rid of the meat bag it comes with and I now use it for carrying hunting clothes to the truck. I instead use that space (and there's actually a bit of it) to house my "possibles", like my "Oh $#!% kit, my big roll of TP ( I keep a smaller roll in the lid of the pack for easier emergency access) and my food stuffs (a bag of Mt. House, coffee, snacks and cooking kit).
All in all I think it's a good pack, but I so far have not put it to the real test of loading a buck into it yet plus my other gear, that will hopefully come in January
Mystery Ranch Cabinet would probably be high up on the list. The 1800 and 3000 sized Kuiu Icon and ultra packs definitely fit the day pack plus load cell role as well. The Stone Glacier Approach/Avail 2200 would be very good. The EXO 2000 or even 3500 are great options. Kifaru has quite a few 1800-3000 cubic inch bags that work with a load cell.
Mystery Ranch Pintler -- unique three zip design, hauls just what you need for a long day hunt, and with the Overload Shelf, you can haul whatever you need once an animal is down. A great pack for any kind of hunting really.
I've been using Exo Mtn 3500 for 3 seasons now for day trips to about 5 days (any more than that and you run out of room real fast). I just carried an entire deer (bones and meat) in one trip comfortably 1.5 miles. If you are of average size their packs will fit nicely...if you're a bit thicker some of the strap placement isn't ideal though they may have resolved that with their new version.
I have the badlands 2200. Not sure what improvements they may or may not have made between your model and the one I picked up last year but I found that pack to be outstanding. I packed out two deer and an elk. Even had a front and rear quarter from the elk on it at one time and it held everything perfectly. Felt way more comfortable than most of my ruck sacks from the Army.