Trulia
Trulia is an independent and unbiased residential real estate search engine that gives you free and open access to real estate information.
Trulia helps you search homes for sale and other residential real estate property information directly from hundreds of thousands of real estate Web sites. As an independent information source, Trulia offers you tools and unbiased information to compare properties and locations.
update 5/11/2007:
Trulia has gone out of beta.
☍ 05.10.2005