China Yunnan

Hi,
I am planning to travel china in november from Singapore on dates 5 Nov – 17 Nov.
I am a frequent and passionate traveller and have seen most of the south east asia.
The plan will be totally back pack style with the following itinerary.
Singapore – Guilin – Yangshuo – Kunming – Dali – Lijiang – Shangrlia [...]

I only have 7 days off in my whole year of work, so this needs to be good!
Tazhou- Shanghai (See the world expo and other things)
Shanghai to Beijing (See the great wall and…?)
So A. How do I get to Shanghai
B. What can I see/ do in Shanghai and Beijing
C. Are there other places in [...]