gudalemandele, the average price per square meter in those buildings reach a staggering 110 thousand RMB (13,604 US dollars).
Chemist, that is indeed the building you're thinking of. It's called the Shimao Tower or its more commonly known name, Le Royal Meridien Hotel. It is by far the most slept on building in Shanghai. No one seems to know about the three story lounge/bar called 789 that occupies the 64 ,65, 66 floor. It offers, without a doubt, the best 360 degree view of the city.
Here's a picture I took of it yesterday