Get a springer; especially if you are adding two to the collection.
Self-contained and full of character.
And it will keep your technique honest and sharp.
Always better to try them out if you can, but choose from any of the following, depending on budget, weight, balance etc.:-
Weihrauch HW95, 98, 77, 97, 98, 99 or 35.
Air Arms TX200 or Prosport.
Walther LGV or LGU.