Just tried "preview flight availability" in late Feb 2014 and it shows availability for YYC-YYZ-HKG. Also allows YYC-YEG-YVR-HKG.
Wow. YYC-YYZ-HKG r/t x2 is ~58k status miles and ~96k RDM for a SE. That's pretty damn awesome for $6k in biz, especially if you need to go anyways.