We visited on Sunday and most places were closed apart from some tourist joints in the old town and one or two German inns. Kam yin was a great find, close to the center and comfortable to sit in. My partner had beef in black bean sauce, it arrived with rice and was 11.5 euros, she pronounced it excellent. My sushi at 10 euro was average but maybe I should know better then to order sushi in a Chinese place. Service was good and waiter (owner) took time to explain the lunch menu (which was a variety of dishes at 10 euro with rice). The only sour note is that we were refused tap water, the owner telling us in his charming Chinese English that "this not the German way".