Need a little help here... I've been a loyal AAdvantage member, achieved executive platium this year. But I just found out that I will be working mainly in Asia starting next year, so I am wondering if I should jump ship and join another program. I think chances are I could be flying Cathay or JAL more, so I was wondering which program would be better, Marco Polo/Asia Miles, JAL Mileage Bank, or should I just stay with AAvantage?

Also a similar question regarding star alliance. Which program is better, United or Singapore?

Thanks for your help!