Hi,
I'm in a similar situation myself jumping ship from Asia. 10k hrs, A320 CA, 40yrs old.
According to your preferences I'd have a hard look at the Frontier/Spirit/Jetblue trio (duo soon). Also just read some of the threads on APC (It's a US specific forum). Will help a lot obtaining the info you're looking for.
On my side I'm looking at moving to BOS so probably Jetblue or Republic for me w commuting for a while until i can hold it as a base. Not caring much about quick command although it would be nice to retire from a major with holding at least NB command.
Just had it w locos as well as corporate in Euroland and Asia by now.
Good luck!