I've not heard from Harvard, Yale, and Columbia and am not really expecting from them since they're so particular about the kinds of theorists they admit.
Congratulations on the Toronto offer! That's a great achievement and a great program. I mostly applied to schools in the US -- McGill is the only program I applied to in Canada.
I had an interview with McGill earlier in January. Did you apply to a PhD program for the Canadian universities? Having a Master's is usually quite important for those.