I upgraded myself and Mrs. on a flight to YHZ in the summer, but as I'm now based in US, I could only burn so many on YYZ-EWR/LGA. I added my folks as nominees and was able to upgrade them on YYZ-HKG (we were pretty amazed it went through). Now I have 49 credits left with... Actually, it seems that my folks were upgraded and my eUpgrades weren't credited out of my account! Oh well.