Whenever you build a good product people will buy it.
http://en.wikipedia.org/wiki/Peter_Wall_(property_developer)#Vancouver_real_estate
However, affordability is another issue.
http://blogs.ubc.ca/vancouverhousingdensification/history,
http://thethirtiesgrind.com/2012/04/02/absurd-vancouver-property-of-the-week-2,
http://www2.macleans.ca/2011/06/01/the-real-problem-with-vancouvers-outrageous-house-prices
http://forum.skyscraperpage.com/showthread.php?t=163994
If a person has the sufficient funds, they can afford to live practically anywhere on the planet.
http://vreaa.wordpress.com/tag/foreign-buyers
http://www.vancouverreflections.com/how-much-have-greater-vancouver-real-estate-prices-risen-since-1977
http://jfmoneymatters.blogspot.ca/2011/06/real-land-problem-in-vancouver.html