Hello. I've been looking everywhere for this thread! Your help and advice is greatly appreciated. Thank you in advance!

Questions
For members asking for information, to help people to assist you, can you please provide:
(1) What is most important to you in a FFP?
upgrades on travel
(2) How many miles do you usually fly each year & in what class? How many flights/sectors?
25,000-50,000 miles
(3) What types of fares do you usually buy ?
Economy and premium economy mostly. Rarely business class.
(4) Can you choose your airlines and/or class of service? Airline most flown? Do you travel for work and/or pleasure?
Korean Air, Singapore Air, United and AA. I travel for pleasure.
(5) Which routes and airlines do you fly most often
Mostly international from NYC to Asia: Seoul, Tokyo, etc.
(6) What is your home airport?
EWR, LGA, JFK
(7) Do you have FFP status of any kind in an airline? What is it? Do you have any miles banked in a FFP?
I have 20K+ miles on Singapore Airlines and Korean Air. And a few thousand miles on AA and United.
(8) Preferred Airlines
Korean Air. But I'll prefer any airlines that upgrades me to business class.