Let's get the big question out of the way first — it's pronounced noo'-stuh and it means "royalty" in the South American language Quechua. Accordingly, the staff at this downtown spa treats their clients like queens and kings. The spacious health spot is designed with high performance "green" (or eco-friendly) interiors that are healthier, more efficient and environmentally sound. But rest assured it's not all about the ambiance — each experience is geared toward exceeding expectations, from the treatments, quality products, music and lighting. A smorgasbord of "spa fusions" keep customers coming back for creative combinations like a facial and massage package called Vent ($180), a hydrotherapy soak, super scrub and massage labeled Gush ($220) or the motherload treatment known as Sustain ($450).