Under the More tab, Google has added an exclusive Real Estate search component. Using the Real Estate search provides available real estate listings for the geographical city or area you specified in the search criteria. Once available listings appear, you can use the filters on the left-hand side to drill down to more specific data like

The addition of the rentals search is something new as mentioned in the Google Maps Blog. There is also more information available in the pan view, as well as Street View searching and Driving Directions capabilities.