Angie B was my hairdresser from 1994 until I moved out-of-state in 2008. She is a master with hair dye! My hair was always well cut and impeccably dyed. I did not deserve such a wonderful cut, since I often wore a hat or clipped it up like a slob, but I felt great. Anyway, Angie B and Vanessa own the salon (thus Angessa) and they keep the place feeling very positive and make you feel comfortable. They cater to the Scottsdale crowd - ie, those that love to get groomed - and they do it without an ounce of pretension! Also, they are not wedded to a specific product line - Angie has experience with everything from Aveda to Redken to Loreal and can and will advise you on what she thinks will work best for you. Also, Angie is fantastic with up-dos and wedding hair.
Note - I really cried when I moved away from Angie; it is not easy to find a hairdresser that knows your hair well.