Report it stolen to apple, they will blacklist the serial # and return the computer to you if it ever goes in for repairs or anything. Secondly, keep a lookout for it on kijiji. More than likely it'll come up for sale in Toronto as a macbook air without a charger (unless they got the charger too).
The last thing you can do is make sure you have data on your iPhone, and get notifications when its found and jet to the location.
The last thing you can do is make sure you have data on your iPhone, and get notifications when its found and jet to the location.