I noticed a few mentions of Bioshock 2 around; for those who haven't pulled the trigger on one of the numerous recent deals (too late for me, sadly), it is $9.99 at HMV for both consoles. I'm not sure if this is common knowledge; apologies if so.
http://hmv.ca/Search.aspx?keyword=bioshock+2&filter=all+products
http://hmv.ca/Search.aspx?keyword=bioshock+2&filter=all+products