Prices in Asia can be cheaper, but to establish benchmarks, check out the prices for the models that interest you at one of the North American discounters, such as:

http://www.bhphotovideo.com

Some of the shops in HK are dodgy, so you should research to find reputable ones. (Other FTers are likely to post specific merchant recommendations; you may want to post this in Travel: Hong Kong, if no one responds here.)

Before purchasing, check and double-check that the camera's warranty is valid in Canada.