After using a heavy bombproof Blacks Creek Canadian for years I was able to try all the above mentioned packs at the Western Outdoor Expo on the same day. I went with a Stone Glacier 6900. It just fit me best. used it to pack out 2 elk and a deer last fall. One elk was on a multi day back pack hunt and the others were on day hunts in the smaller mode. Nothing but good to say about SG.