I have to admit that Kevin Rudd would be getting my vote right now were this possible - I just saw a clip of his speech about human rights abuses by China in Tibet, delivered in China, and in Chinese. And apparently local commentators thought his language was pretty good. That tricky tonality sounded alright to me, and the effort no doubt upped Rudd's general appeal, despite a message most Chinese probably found less than palatable. Nicely done mate.
For more on this try kiwiblogblog's Heavy Kevvie speaks their language.