The City of Joondalup is running consultation over the proposal to lower the zoning of the Duncraig HOA to R20/30. Why not head to the City's website and let them know what you think about that proposal and HOAs in general.
http://www.joondalup.wa.gov.au/Govern/CommunityEngagement/SchemeAmendments88-90.aspx
And please let us know what you'd like to happen in YOUR Housing Opportunity Area, or about your views on Infill generally.