Not sure how widely available it is, but I found it on amazon
here. There are currently 4 people selling it.
There was also one person selling it
here on ebay.
I didn't check for Canadian shipping, but I'm sure one of the five would.
Oh... just found
this site, which includes a link to the CD being sold
here at half.com.
Basically, from what I can see, it's not being produced anymore (not surprising), but there are still at least a few people selling old copies (some of which were never opened).
Paul