The BCREA--British Columbia Real Estate Association June 15 Release shows some serious erosion of average prices. Unfortunately, average is a terrible measure, easily skewed upward by a few high end sales, as even they admit in the Vancouver Sun. No medians forthcoming to help fix that, apparently.
They do provide total sales volume which is a good number to watch. Bubbles need churn to survive, so the first sign of deflation will be a fall in volume, which makes the erosion around Vancouver look even more precipitous.