That's because unsw students are all wanna be ibankers (in the fob anyway). Last year, there were quite a few posters at unsw, i havent seen any at usyd.
Must be at usyd or on the north shore, must be fluent in english and mandarin and is able to read/write traditional chinese. 1-2 hours a week needed. Rate negotiable.
THES, and melb has a very good reputation in the UK (where my extended family live and work). Not sure about the US though. They recently had 1 or 2 rhodes scholars. The THES rankings are good as international students go by them, hence smarter internationals, hence bringing up the rep...