Finding reasonably priced film and dev/print services are crucial to enjoying yourself around the GTA. There really aren't that many quality film-friendly labs left outside of Silvano's and TIW. Silvano's probably has the best prices on film. There's so much to shoot around the GTA- what interests you?
Downtown Camera's pretty good for the dev side of things as well, and there's always Colourgenics if you can afford them.