At this point, the question is not whether you’ll find yourself at a critically acclaimed Kahan joint, but which one. Big Star, Dove’s Luncheonette, or the Violet Hour in Wicker Park? Or maybe Avec, Blackbird, or the Publican in the West Loop? Add in a still-under-wraps showpiece slated for the intersection of Damen, North, and Milwaukee Avenues, and it won’t be long before Kahan has his own ZIP code.