Trulia has help Edison NJ (3 zip codes) sold around 1,000 homes in 2007 and Piscataway (one zip code) around 500 in 2007, and I am sure it will help you at Saint Louis did great as well ...
You are very welcome to Trulia, in paticular Trulia Voice.
As you may have read the USA Today, Trulia has becoming the most powerful real estate website out of dozens with one very impressive data is that its visit rate jump 10 times more than most of other real estate website.
One very powerful way to use Trulia is to post the sold info like this one http://www.trulia.com/voices/Home_Buying/_Pheasant_Run_Ediso and then you will go to the Prospective Buyer Communities to send out 1,000 post cards to announce the property sold with the address 14 Pheasant Run Edison, NJ 08820 as any listing agent may do. Once you hit 1,000 buyers they will go to Google to do address search to find where this property located like this link http://www.google.com/search?client=opera&rls=en&q=1 then they will automatically come to the Trulia Voice forum you posted the sold info as Trulia always go to the top of Google search. Then, you shall be able to answer all the questions of your prospective buyers, and at some points, they got all their questions answered and educated, they shall buy much faster. Also, the new buyers could come to see the sort of FAQ's of previous buyers' question and your answers, they shall automatically and very efficiently to get what they want. This is the so far best real estate service.