Had one of these last night:
http://beeradvocate.com/beer/profile/335/5428
Holy shit strong tasting beer. It's aged in bourbon barrels, so it has a wicked strong bourbon taste to it with a hint of vanilla. Was like a Guinness with a shot of bourbon and a teaspoon of vanilla in it. 10% abv though. I don't much like bourbon, so I didn't care much for it.