Sure. All of that is true, keith and Ted. But none of it answers the o.p.'s question, which was:
If You Could Only...have 1 Double Gun (16 bore), how would you choke it.
The most versatile choke combination would be...
_ _ _ _ _ _ _ _ _
Fill in the blank
The point of the exercise, as I understand Mr. Cash, is to consider all the types of hunting you do and try to determine what choke combination would be the best (sure, it may be a tradeoff). You may not like the question, or the premise, but that is the question. The question is not whether one 16 ga. gun is the best route to go.
SRH