I would like to share with you these following links for Ottawa Real Estate Market :
Realtor.ca (MLS)
http://www.realtor.ca/index.aspx
Ottawa Real Estate Board
http://orebweb3.oreb.ca/index.shtml
TD Mortgage Calculator
http://www.tdcanadatrust.com/docs/mortCalc/MortgageCalculator.jsp?locale=en_CA