I will be in shanghai on 17-19 March 2010 and planning to visit hangzhou and Suzhou by train but i was told that i will hv to stand in looooong lines to get tickets.  is it true ?? can i buy the tickets in advance.  

if we hv 1 x 20kg suitcase and 1 x 8 kg hand luggage, do u think it will be manageable to take the fast train from Pudong Airport to the city center of shanghai or i should take the airport bus line to shanghai center.

if one wants to see only 1 show, which one is best ??  Portman Acrobatic show or Shanghai Circus World.

if one has time to visit only 1 water town.  which one ??  Tongli or Zhou Zhuang

if one has time to visit either Hanghou or Suzhou, which one ??