Should I go for status on BA, or simply credit miles to AA where I am unlikely to hit 25k EQP/EQM?

(1) What is your home airport?
Reply: SFO

(2) How many miles do you usually fly each year & in what class?
Reply: <25k on OW

(3) What types of fares do you usually buy ?
Reply: Business for work, Economy for pleasure.

(4) Can you choose your airlines and/or, class of service?. Do you travel for work and/or pleasure?
Reply: Not reallly given route structure. Generally fly QF within Australia, BA within UK/Europe, AS to Hawaii/Mexico.

(5) Which routes do you fly most often
Reply: See #4.

(6) Do you have FFP status of any kind of OW or other airline at present? What is it?
Reply: AA Plat (will exp 2/2014), UA 1K. BA Bronze expired 3/2013

(7) What is most important to you in a FFP? (upgrades on travel, priority services when flying the airline, extra baggage allowance, good award redemption rates, better award access, free - discounted lounge access, etc.)
Reply: Lounge access on economy tix, upgrades, priority checkin/security

(8) Preferred Airlines
Reply: BA,QF,AS but would consider AA where it makes sense (SFO-ORD/JFK/MIA)