A "beautiful interior" of exposed-brick-and-stone walls and a "sophisticated vibe" attract a "well-dressed, fun, international crowd" to this mod "über-lounge" "hidden" down a Georgetown cobblestone alley (which "keeps the tourists away"); yes, the "handcrafted" cocktails may be "overpriced", and the "cover is high" if you aren't a VIP member, but "if you've got the money, this is the place to...