I left B6 in 2013. Feel free to PM any questions.
As far as healthcare.....I put in the equivalent of the Blue plan into the United options and the premiums were $9/month for my wife and I (back in 2013). The plan I picked here (UAL)had similar premiums as the blue plan but had much better coverage. Prescription drug plan is throw CVS caremart and I understand that every January for some people it's a fight to get them to apply the coverage correctly for certain prescription but once they sort it out the coverage is pretty good.
I would say the biggest difference is I hardly here someone complaining about healthcare (not to say that everything is great). Reserve here could use improvements but this is far better than what I left at Jetblue.
Good luck with your choice and once again feel free to pm anything you don't want to share here.