I am a huge fan of Osprey, I have the Kestel 58, is there a better Osprey pack to hike the A.T. with? I've managed to carry 40 pounds in my kestrel and I would love to carry less weight....
backcountry.com recommended this: http://www.backcountry.com/osprey-packs-xenon-70-backpack-womens-3900-4300cu-in
but, that is also pricey. Anyone have a suggestion?