I went to Cha Cha on a whim a little more than a year ago. The people in the salon were friendly enough, and the decor was wicked cool, but I didn't like the haircut I got there at all. When I expressed apprehension, the stylist seemed both confused and offended, and sort of shut down...got really chilly toward me.
The low review is certainly not for the haircut, but rather for the response I got for not liking it.