Rosy brown in color, rather thin legs in the glass, drinking neat. Nose is maple syrup and fruit, sweet but light. A little vanilla oak in the background. Sweet and sour explosion in the mouth. Dry and astringent ethanol, thin and meager. Finish is harsh, astringent tannic oak and hot rye spice, but the finish is blessedly short. Odd sour aftertaste. Trying this with ice changes things fundamentally. The vanilla and fruit sweetness other reviewers mention appears. The astringency declines, the rye grass emerges, but a dry sour base flavor remains in the finish. Grows softer with melt. In a word, much better with ice, but still a pretty flat flavor profile. I'm trying to imagine this bourbon without the port cask finish ((shiver)). Nothing deep or rich about this, not even rich corn sweetness or a balanced rye grassiness. At a $60 price point it's decidedly underwhelming. And really disappointing. Going to give this a little time and retaste and re-rate, but right now it's a 3 at best; maybe a 3.25 with ice. Ok, after several nights, my opinion hasn't changed on how this drinks neat. But, on the rocks, it is a better drink, and for that I'll give it a 3.25.