Hello

I've been a member of ANA mileage club, but wondering if I should change to Singapore (which then I would need to get an Amex card with membership rewards to be able to earn miles)

Fly mostly LAX – NRT

109,000 miles on ANA now

50,000 points in Starwood program

(1) What is your home airport? LAX
(2) What types of fares do you usually buy? coach (restricted and upgradeable)
(3) How many miles do you usually fly each year? 15,000 - 25,000
(4) Do you have any kind of status at present? What is it? No
(5) What is most important to you in a FFP? upgrades
(6) Which routes do you fly most often: LAX - NRT
(7) Preferred Airlines: ANA or SQ
(8) Do you travel for work or pleasure – both, more work