The Sin City restaurant scene is so hot right now that according to a broker who works there, the owners of Tao at the Venetian (here's our listing for the New York location) are projecting a whopping revenue of $35 million during their first year. So it's no surprise that Terrance Brennan is apparently looking for a Las Vegas space in which to open a second Artisanal. When he turns his full attention to expansion after the New Year, however, he says he'll most likely focus first on Chicago rather than Vegas or Boston, another city he's eyeing. "I love [Chicago], and I've been up there a few times and talked to people," Brennan says. And Vegas? "Eventually … "