Wait, did Hauser and Wirth or Larry Gagosian just set up shop here? Because it sure felt that way at last Friday’s marvelous Hospitality Night when, upon walking through a side door off a nondescript building on a nondescript section of Broadway, you were swept into an alternate universe - a cavernous, 4,200 square foot, state-of-the-art gallery space with the ultimate in sophisticated exhibition technology.