I'll play a little " Devil's Advocate" here ;)
Since you brought up the rest of my day's thing, do you/we really want a BIGGER pack, which by Murphy's law, will allow you too bring even MORE stuff?
I have a 20 year old Camp Trails portage pack, which they no longer make. It's very similar to the regular size BWJ/Kondo's packs in size.
Early on, I felt it was a "little" cramped when loaded my gear, and I hate too dig in a pack when I need something.
I found two side pockets, similar to these:   (You need to Login or Register
 I put all my ropes, 2 fuel bottles, trowel, and any other items that I might need during the day. Along with my Granite Gear food pack, a small day pack/dump bag, I have everything I need and still room to spare.
 Just something too consider.
All those packs you listed are good, but I saw a guy with the Ostrum pack, and while pricey, it was the Mercedes of packs.