Build from within and than start to expand out...ironically, there are a million and one reasons that why this makes outer growth plausible for Saskatoon. Talk of CFL/NHL teams (heh), light rail, infrastructure, hospitals and mass transit are all on the table right now that correctly suits a city going forward.
Concentrating on city infill and sustainability should be focused on, and
than start expanding outwards with all the bells and whistles (sports teams and rail etc) There's no need to crowd the hell out of the city but increasing density within first, makes sense. The multicultural influx of people moving in, is showing how "cosmopolitan" Saskatoon is becoming.
260,000 is a great CMA population to start working with especially coming off a huge growth rate. My idea would be for every -000 people that move with
in the city, develop another new SDA on the outside simultaneously. You could call it somewhat of a strategical trade off, and it would still be win-win for the city while in the meantime increasing density/population using those numbers to the city's advantage.