After being frustrated by a lot of old bottles and decanters that had the cork take over the taste, I'm going with a screw top and probably dip it in wax to discourage evaporation.
if your going with a screw top how about OGD BIB?
[Liberty Valance lays shot in the street]
(Dr) "Quick whiskey!"
[ Dr drinks from whiskey bottle, kicks over Liberty Valance]
(Dr) "He's Dead"