For electronic Goods, go to Computer Town (Guan Pu Tou) on Luoyu Rd. Make sure you bargain hard. They will try to make you pay too much. In Wuchang, there are 2 Carrefours, 1 metro (which sells the most Western items, but is also the most expensive), and Zhongbai. There is a Carrefour and a Zhongbai on Luoyu Rd. The Carrefour is at Guang Gu and the Zhongbai is a few blocks near Huazhong University of Science and Technology. There is a good tea shop in that campus' outdoor market.