most Americans cant technically register a .ca because of CIRA's regulations...
Next summer, .ca registration will become very inexpensive and I expect some resellers will look into the .ca market.
Backorders are also very cool in the .ca world - its $30 CAD to place a backorder on any expiring domain name and there is no auction - you place the order first, you get the domain. Now, there is a .ca expiring tomorrow that is a typo of a popular retail website, the typo has an OVT w/ extention of 110.
A typo like that for ~ $24 USD = a great deal for those who park traffic domains