With my new job i will be flying a bit and looking for some suggestions on which airlines to choose for my travel. Below are the details.

SFO to MAA/HYD - 6 to 7 trips per year
and while in india travel between BLR,HYD and MAA
SFO to DFW/ORD - 4 to 5 trips per year

I Currently have SPG Amex and membership in asiamiles and US airways. No status in any of the airlines.

Goals : upgrades, lounge access and vacation travel with family.

Thanks in advance for you suggestions.