I don't know much about Canadian money but you can buy one online here in the States for $172 shipped.
http://www.bhphotovideo.com/c/produc...t_Edition.html
I would rather a new one than a used one because the used ones will probably have compromised battery life. These batteries will degrade with age/use. I realize that the one you are looking at is new, I'm only offering my counterpoint to what happy_terd mentioned.