Queen's School of Business is purportedly one of the best in Canada, and for MBAs is ranked #1 by BusinessWeek magazine.
http://business.queensu.ca/news/news_item.php?id=153
I hate business because I can't understand it by I have a lot of friends in the faculty who seem to enjoy it, and I am confident you would have more fun at Queen's than those other schools, but maybe I am biased.