When one speaks of suburban density in Toronto, I can't help but think of any area whose skyline I photographed just last weekend.
I was out walking in west end and a great view corridor along Riverside Drive affords some great shots of the Humber Bay Shores area.
This area was a strip of seedy motels right into the mid 1990s.
They dated from the era when that was the outskirts of the City of Toronto (Etobicoke/Mimico really)
In the 90s, the province bought out most of the motels ostensibly for waterfront parkland (Which was put in); but decided to offset the cost by permitting development to overlook said new parks.
When the idea was first mooted, I don't think any one conceived of the height/density that would subsequently arrive.