I tried this at a big whiskey event, so it wasn't the kind of experience where I could take detailed notes (not to mention the palate being pretty exhausted by the 17th or 18th mini-dram). All I can say is that this bottle beat the pants off an even more exclusive offering, the 15-year-old Florida exclusive single cask. That younger scotch came from a refill sherry and was predominated by nutty, bitter notes alongside classic Highland Park honey. The Dark is completely on the other end, and it tastes like a product aged primarily in first-fill PX sherry casks. It's not the most balanced, but it tastes like grape jam and a hint of peat. Strong in flavor, pleasurable, easy-drinking. I have mixed feelings about Highland Park and don't like it as much as, say, Talisker, but this is the second-best Highland Park that I've had the pleasure of trying. (No. 1 was Delilah's 13th anniversary single cask from about 12 years ago, which was the best sherry bomb I've ever had.)