I'm thinking about a Gold challenge with AA or a Medallion match with Delta to kick off the year. Advice welcome!

1. What is most important to you in a frequent flyer program (FFP)?
upgrades, priority services, baggage allowance, good award redemption rates, better award access, lounge access, etc.
>>> Most important: priority service, upgrades, and companion upgrades.

2. How many miles do you usually fly each year? How many flights/sectors?
less than 25000 miles, 50000+ miles and 20-25 flights, etc.
>>> In 2016, I expect to fly 25K miles over 20 flights.

3. What fare class do you usually buy?
first, business, premium economy, economy
>>> I usually buy economy.

4. Are you able to choose your airlines and/or class of service? Do you travel for work and/or pleasure?
>>> I can choose airlines. I mostly travel for business, but usually fly economy.

5. Which routes do you fly most often?
transatlantic, domestic USA, intra-Asia, etc.
>>> Mostly domestic USA.

6. What is your home airport?
>>> PIT. Most travel to LGA / JFK / EWR and to BWI / DCA / IAD.

7. Do you have status in any FFP? What is it? How miles do you have banked in each FFP, if any?
>>> I have about 80K miles on United and on AA. I have Silver on United for 2016, and no status anywhere else.

8. What are your preferred airlines, if any?
>>> No strong preference.

Thanks in advance for your thoughts!