From your question you don't need to spend a whole lot of coin to carry what you plan to carry. And yes you can spend serious nuggets on a good pack. Just to show you, McHale makes the top performing pack in production right now, nothing mentioned here will come close to a McHale. All other packs are designed and stitched to fit as many body types as possible and then adjust the pack to hope to get it to fit. Any recommendation is poor at best as what fits them, if it does may not fit you. There is the rub. most do not have a clue on how to properly fit a pack. They purchase, I like the brand name so it must perform and down the trail they go.
An external frame pack will carry weight on established trails over flatter terrain as the weight is distributed mostly on the hips. For large oversized freight like moose 5th, wood, tools, etc they perform quite nice. Once you get off the trail on steep twisted terrain, they start to show their inefficiencies.
Internal frame will distribute weight both on the hips and shoulders but still most of the weight should be on the hips, this where good a pack fitter can adjust a pack to fit the body. Every pack made today is a copy of the Lowe Expedition and to this day if you can find one, performs quite well.
Frameless pack, what I used for 20+ years uses what you are carrying on your back as the frame. As with all packs knowing how to properly pack a pack is #2 after fitting the pack to you, these packs take it one step further but are super light, super minimalist so you can carry more kit for the same amount of weight on the back. I have carried well over 100# in my Andinista for 2 weeks at a time, it wasn't fun but it can be done.
I fit and sold packs for 10 years and without a doubt, Gregory Denali carries weight better than all of those mentioned here it just doesn't have the cool name, just performance. I have had customers bring in a couple mentioned here to get adjusted, after getting a Denali on their back loaded up and tested comparing what they had, a high percentage preferred the Gregory and I have had quite a few come back and report how much better it carried over what they had.
Good luck