Come to SWA they love NJA pilots. I hope they reduce the PIC mins soon for those FO's who wish to pursue it but don't have the time. The 73 must be a lot easier to fly than the Airbus, training was easy and the job is infinitely easier than NJA.
To each his own and the important thing is doing what it is that makes you happy. For me, no regrets at all. NJA is basically reserve for life only much worse without the airline work rules. Good luck to all in achieving their objectives whatever they may be.