The new Demographia survey is up on the web:
http://www.demographia.com/dhi.pdf
Look, I know that there are flaws in their research, but here are how their median multiples have shifted.
Sydney - 8.6 (2008), 8.3 (2009), 9.2 (2010)
Melbourne - 7.3 (2008), 7.1 (2009), 8.0 (2010)
Perth -...