Analyst hate to bust your bubble but....
I dont think NSW is looking over its shoulder. We may not have the pilbara, but we do have Martin place. And there is money in money so to speak.
http://en.wikipedia.org/wiki/Economy_of_Sydney
"Sydney is now established as the corporate and financial capital of Australia, and is also a very important financial centre in the Asia-Pacific.[5] Sydney has the largest economy in Australia, and there is dispute over the second largest economy between western Sydney and Australia's second biggest city, Melbourne. Sydney is home to the headquarters of the Australian Stock Exchange and the Reserve Bank of Australia. Of the 54 authorised deposit-taking banks with operations in Australia, 44 are based in Sydney. This includes nine of the 11 foreign subsidiary banks in Australia and all of the 29 local branches of foreign banks. Major authorised foreign banks in Sydney include Citigroup, UBS Australia, Mizuho Corporate Bank, HSBC Bank Australia and Deutsche Bank. Other global banks have established highly successful back office operations in Sydney. Of the top 20 global banks, 17 have operations in Sydney, NSW state government July 2006. This translates as every single foreign bank has its headquarters in Sydney, excluding one and almost 50% of all Australian owned banks are headquartered in Sydney. Sydney also serves as the regional headquarters for numerous multinational corporations. 20th Century Fox has large Sydney studios. Sydney's CBD is the largest in Australia and also has plenty of satellite cities. One notable Satellite city is Parramatta, which is bigger than some state capital cities, making it Australia's sixth largest city, succeeding Adelaide."