Home owners will still be able to refinance to a max of 80% of value but this is not longer available for CMHC insurance.
New to Canada can still buy with 5% down and Permanent residence Card with a full time job.
Cash Back Mortgages still exist for ZERO down purchase.
http://www.youtube.com/dpylyp#p/u/10/oKFIgUnQTAk I think it will just make it a little harder keep spending money and then stuffing the debt into the credit line that is your house mortgage.