I owned a Montana 55# for a while. It was a decent bow, but I did not like it too too much... I just got a Savannah and love it. I am shooting pretty consistently with it out to 30 yds. Its a fast shooting bow for a longbow and feels so much better in the hand... I think that is the most significant difference between the two, the grip. The Bear grip is a notched out straight block, where the Savannah has a smooth shaped pistol-like grip. The Savannah grip allows for a more consistant bowhand position in my opinion. I noticed shooting my Bear that my bowhand would fatigue faster due to certain pressure points that just aren't there in the Savannah grip. I can shoot that bow all day! Also, there is handshock when shooting a Montana but NONE with the Savannah. Lastly, the Savannah is just gorgeous. Zebrawood limb laminations, bubinga riser. It really is a custom, handmade bow for a production bow's cost. I'd say, Savannah all day...
Oh, and its easy to tune.