The Amazon Kindle Paperwhite, and regular Amazon Kindle are now both available in Canada. Both are available for immediate shipping.
The Amazon Kindle Paperwhite is $139 CDN and the Amazon Kindle (4th Generation Kindle) is $89 CDN.
Earlier Bookwi.se gave initial impressions and then a full review of the Paperwhite.
Also a review of a refurbished Kindle (which has the same features as the model released in Canada.
I also reviewed, and like, the official Amazon Kindle Paperwhite cover