So many restaurants have stopped taking reservations, it's becoming commonplace for would-be diners to stand awkwardly in a foyer the size of a broom closet or resort to paying extra in order to drink overpriced liquor at an overcrowded bar until a table comes open. But Mateo, a charmingly hip Provençal spot in Boulder, makes the wait a worthwhile part of the whole dining experience. You get to pass the time in a plush, velvety alcove next to the front window, settled against soft pillows, enjoying a clear view of the dining scene and the twinkling lights of Pearl Street. There's plenty of leg room, plus a well-positioned table in case you'd like to enjoy a glass of wine, and the area seats two or three small parties comfortably. And if the waiting room's full, there's still the oval bar, another comfy space that's popular with local singles.