Chenggang's two-part series, China's Economy – The Insider's View, on the BBC World Service is one of the more unique points of view that we've encountered recently. It's definitely worth a listen.
And regarding Sina Weibo, to better understand a society, you should better understand its use of social media. For more analysis on how Chinese use of Weibo is affecting public activism, check out another two part series from the World Service.