Globe and Mail reports that Surface 32GB will be $519 in Canada. Keyboard is $130. The 64GB Surface will be priced at $719, but it will come with the keyboard. However, the keyboard it comes will not have keys that depress. That keyboard can be bought for $140.
Source:
Microsoft
Personally, I'm waiting for the x86 tablets. I've always wanted a tablet that could run a full OS. It looks like this is it.