It would have to be versatile. Something that would work for both bittering and aroma. I would go with Centennial.
That said, my cascade plants put out about 3x the amount that my centennial plants have produced.
Fermenting: Stout, Pumpkin Ale
Drinking: Pale Ale, German Pilsner, Cider
On Deck: Harvest Ale, IPA, Brown Ale