Every response is based on the owner's experience, you can take it as reference, but the most important is that you should make your own decision not only upon those other experience but also your own experience which is the most important.
Canada is really good, the air is so fresh, the people are so kind, but it is not my country, it has no culture environment which I have grown in. I don't know how important the citizenship would be but I plan to go back to China after next several years with canadian citizenship.