Get Walking!
Overview of Toronto's neighborhoods: www.123toronto.com/toronto-neighborhoods.htm; www.torcon3.on.ca/outside/neighborhoods.html
Chinatown: www.showmetoronto.com/toronto_tour_chinatown.htm
The Danforth: http://danforthtoronto.com/tour/
Gay Village: www.angelfire.com/home/qaf/toronto.html
St. Lawrence Market: www.stlawrencemarket.com/
Yorkville: www.bloor-yorkville.com