Suzhou is not only a famous cultural city and a city of gardens, but also the silk capital of China. Kunqu and Pingtan also are the classical performing arts. There's also mention of the special local product:Bluish Green Spring and Yangcheng Lake Hairy Crab.
This article introduces you some information about the shopping, recreation, museums and some other good places for sightseeing. All of these should be useful when you traveling around Suzhou.