Get in Wuxi
Wuxi Sunan Airport has many domestic and internatinal flight. The cities with flight connection to Wuxi include Guiyang, Guangzhou, Beijing, Quanzhou, Shenzhen, Chongqing, Shenyang, Chengdu, Xiamen, Kunming, Harbin, Dalian and Haikou. International flights connect Wuxi with Taoyuan, Hong Kong.
It is wise to flight to Shanghai by flights then take train or other transportation to Wuxi.
In Shanghai you can take the new G-Train to Wuxi. The journey will be about 45 minutes and it costs about ¥61. G-Trains can be boarded from either Shanghai Hongqiao Railway Station which is accessible with Metro line 2 to East Xujing or Shanghai Main Railway Station accessible with Metro line 1.
Otherwise you can take the normal D-Train which takes about 50 minutes and cost ¥49 (August, 2010).
If you get off from Nanjing Lukou Airport, you can take intercity Bus or taxi, don't forget your belongings when getting off.If you don't know where you can take, you can download the map of airport.