Add a koi pond, some palm trees and a wood patio to a New York roof, and you probably get to raise the drink prices by a few bucks (see: The Delancey). Add those things (minus the koi pond) to your Greenpoint venue, and maybe people will start going (see: Studio B). A press release was sent last week stating: "This May, Studio B will expand to a new full floor rooftop level, featuring an......