Do you know where your listings are going? Realtor.com and realestate.yahoo.com have been battling it out for the top spot in the nation for real estate property search.  Now a rising contender is in the mix, zillow.com in a move that could break the virtual tie between zillow and trulia forever. An early secret to realtor.com was the extension of thier property search site to more than 100 other prominent domains - now zillow.com has answered by winning the business of more than 180 newspapers, drawing them in direct competition with the top search sites and especially Homefinder.com.  This added [...]