>>1756361Gregory and Osprey are great for comfortable medium or light backpacking. They have a lot of small pockets which is nice for convenient storage. The biggest thing is pack fit. If you don't know how to fit a pack, look it up or go to a store like REI and get that sorted out.
I mostly love my terraframe pack. I bought it so I'd have a pack to carry elk quarters with but I use it a lot for waterfowl hunting too. The pack feels pretty bombproof. I can comfortably carry my decoys/gear and don't really worry about brush tearing it or mud or anything. The load shelf is my favorite feature on those packs.