I went to a barrel aged beer fest last weekend at a local distillery. My favorite beer by far was a barrel aged version of Dark Horse "Plead the 5th" that they aged in Journeyman's bourbon barrels (thats the distillery it was at). It was 15.7% and had some vanilla bean added in during the aging process and man did it come through towards the tail of the beer. It was fuggin goooood, especially for the abv.