As per Diverse Solutions - IDX search has never been easier than this. This is more of a 'plug-in' that you can add to your website for the buyers to search for their potential homes and for sellers to find out what is the value of their home.
I believe they are one of the first ones to implement this system - and many agents did like it - except for the cost or investment.
One of the better search options for your website and your clients - Diverse Solutions is good.