I'm not British. In fact, I'm Acadian - so I have every reason to HATE the British monarchy (look up 1755 in a Canadian history book, if you don't know what I am talking about).
All of that aside, however, I feel compelled to admit that the Crown is an undeniable force in Canadian history. In fact, we are a very British country. Even the province of Quebec is shaped by British inclinations and tendencies in administration, in government, and in justice. Everywhere you look beyond the superficial deviations and pecularities of our systems and of our institutions, you see the faint smudge of the British Crown's fingerprint. To abandon the Crown is to abandon a historic connection which helped to nurture this country, to preserve its independence, and to promote its growth and prosperity.
Never mind the fact that we are amongst the few countries in the world which can claim that we lack an executive which runs a muck in private affairs and in public administration. Our legislative branch could benefit from a few strategic reforms, but our executive functions efficiently and effectively. The Governor General and the lieutenant-governors perform ceremonial roles with all competence and pomp necessary.
So, tell me, what are we to gain from conversion to a republican system, besides a lot of mess for very little benefit? I once was a republican myself, but it simply does not make sense to abandon our British heritage - correction, our heritage of common affiliation with the British Crown, which helped guide this country and which continues to help shape this country (by its tolerate and its reserved distance from political issues and from moral conundrums). We don't have a head of state out there calling countries part of an axis of evil. We have a head of state that's more of a celebrity figure, and which is a model of reservation and of duty.
That being said, vive l'acadie libre!