Update
Please excuse the posting problems (of images) that I'm encountering. In the meantime, you can read up on the various posts I recently made, especially the one on Narcisco Rodriguez and the slow destruction of heritage buildings (images of which you can see at the Urban Toronto Forum.)
And here's an update on the Canadian real estate bubble, with a revealing comment by one of the experts.
My latest, and completed, design can be viewed here, with notes on how I made my decisions.