* Strong, diverse and friendly startup scene. From 2 to 5 startup events every week. see calendar http://63sq.rs/52c (View @mtlnewtech for more). Many local developer groups (montrealonrails, montrealpython, phpquebec, js-montreal,dotnetmontreal, uxmtl, etc.)
* Strong existing angel investors + new VC funds being created. You mention Toronto but actually there is more money flowing in Quebec than anywhere else in Canada
* Montreal is half european and half north american, half-french, half-english. Lots of diversity, lots of creatives. Literature : "Nearly a fifth of the Montreal region's workforce forms a super-creative core: techies & cultural & entertainment types ... Montreal also benefits from its dense, compact geography. Most experts agree that innovation and productivity are driven by density, and Montreal ranks third among all North American cities in average population density"
* Montreal is 2nd happiest city in the world http://bit.ly/dAWLW5
* 4 universities, plus engineering and business schools, such as McGill University, Hec Montréal, @SUPINFOMontreal or ETS
* cost of living is cheap. Not as cheap as Bangalore of course, but cheaper than Toronto, Boston and of course cheaper than San Francisco or London, U.K.
* lots of initiatives, one startup incubator (@bolidea), another one coming in September, blogs and publications dedicated to the community ( http://montrealtechwatch.com or also upcoming @nextmontreal), student/entrepreneur groups (@Startupifier), startup weekends (one coming in early October), conferences drawing hundreds of attendees (wordcamp, rocococamps, startupcamp, podcamp etc), big startup space soon (@notmanhouse)
* plus of course many technology projects launched every month, in average 1 or 2 new products launching every week. OstrichApp launched 10 days ago featured on apple.com, BeyondTheRack funding, statusnet, vanilla forums, Tungle etc.