From my times in Scottsdale, none of these disappoint:
Italian - Spiga Cucina
Mexican/Asian Fusion - SumoMaya
Cool Vibe - The Vig on Bell Road
Upscale Mexican/Peruvian - La Hacienda at the Fairmont Princess
Peruvian - The Mission at Kierland or Old Town
Traditional Steakhouse - Prestons
Ken