Hi all, would appreciate some help selecting a Oneworld FFP.

(1) What is most important to you in a FFP?
Reply:Good mileage redemption rates

(2) How many miles do you usually fly each year & in what class? How many flights/sectors?
Reply: 15-50, depending on the year

(3) What types of fares do you usually buy?
Reply: Economy

(4) Can you choose your airlines and/or class of service? Do you travel for work and/or pleasure?
Reply: Mostly pleasure. When I do travel for work I can choose airline, not class of service

(5) Which routes and airlines do you fly most often?
Reply: Air Canada is my main airline, still deciding on Oneworld flights. Canada domestic, transpacific and transatlantic

(6) What is your home airport?
Reply:YVR

(7) Do you have FFP status of any kind in OW or other airline? What is it? Do you have any miles banked in a FFP?
Reply: Aeroplan: 150,000, AAdvantage: 16,000, LATAM Pass: 25,000, AMEX MR: 125,000

(8) Preferred Airlines? Most common Airlines flown on?
Reply: Air Canada (no preferred Oneworld airline at the moment)

As you can see I have a small amount of miles in a couple of different OW FFPs. Trying to figure out what to use going forward. I'm considering mostly AAdvantage and Avios because of my Amex MR points. I would like to capitalize on a few "mini-RTW" trips but not necessarily in J class - Y would be fine. Seems like this would be good for AAdvantage. However, I will also be wanting to do some short trips around Europe which favours Avios. Struggling on picking one, or maybe I should gradually build up both of them?