I keep thinking about picking up a lwcg 0.5. There are some trees where I think a lock on is a better choice, and for back to back marathon sessions it'd be nice to be able to pop a squat for a bit to break up the monotony.
You have dead zones for shooting in both a saddle and a lock on. Areas where a seasoned hunter can force a shot most of the time, but it ain't ideal. Angles where you have to do some finagling and squirming and dancing to get into position, and you need time and presence of mind to make it happen.