…the listing standards front. While it will definitely help the big boys lower their aggregation costs, it should also help make the online listing search space even more competitive as I think (hope?) it will help lower the bar to creating a viable national presence for new startups.
…but it sounds like the big boys (minus RDC) are happy to just date for the time being. Collaboration on data standards (in this case: RETS) is tricky business with lots of dancing on the first few dates. It will definitely be interesting to see what comes out of these talks.