Central World is mostly open after the problems earlier this summer – MBK in Bankok, Siam World, Central World – all the main shopping areas are in this part of Bangkok close to the Siam Skytrain stop
More info about shopping in Bangkok is here:
http://www.davestravelcorner.com/articles/bangkok/Bangkok-Shopping.htm
There’s all the usual fashion and international lifestyle productions in Bangkok and to a lesser extent in other cities in Thailand – there are also nice Thai handicrafts (silk, wood, ceramics etc).