This is a great article from the National Association of Realtors economist:
http://www.realtor.org/press_room/news_releases/2010/04/phs_gain
The tax credit has done its job in sparking sales. With it expiring soon we’ll have to see how the market reacts to life beyond the credit. At this point it seems as though we will be experiencing somewhat of a “normal” spring market – great news for those who are looking to sell their home yet this summer!