Interesting statistics on year over year price changes in the contemporary art market just came out (link below). It's only through mid-year so it doesn't include the most recent data. Amazing how many Chinese works are listed.

Artprice and the Fiac publish an exclusive report on the 2007/2008 contemporary art market, in partnership with Axa Art http://web.artprice.com/AMI/AMI.aspx?id=NjQ1NTM3MDAwNTk4Njk=