While lots has been written about the many large-scale downtown high rise condo projects under way, there i another downtown living trend worthy of note. Over the last five years, a number of the older, historic buildings on Congress avenue have been converted into very large single family residences. At least four buildings have been - or are in the process of being - converted.Here are pictures of one of the projects - a roughly 6,500 square foot "house" between 8th and ninth on the East side of Congress Ave. I have toured one of these projects and the amazing . . .