I am flying again across the country (canada) then to turkey and beruit in the last part of dec. i am hopefully flying back in January if I don't get shot. Now i am sitting at 59k for the year on AC. I just got my elite with Turkish Air. Now on my TK portion toronto to istanbul should i credit it to AC or TK? It is premium econ. I cannot decide if having more aeropesos is better than adding to TK. I am zero upgrades this year as I travel the more traveled routes and times for the most part. Yes 55 credits and haven't spent one. i am going to TRY to upgrade yvr to toronto and back on AC. We will see.
I signed up for the 50percent aeroplan bonus and get the 50 percent AC bonus.

Someone lay out the pros and cons and give me an opinion please!