Love all those bands .. another good one is The Avett Brothers. Saw them in concert 2 years ago and they put on one of the best shows. Haven’t watched tonight’s AI tonight....waiting on it to finish recording so I can fast forward.
I like The Avett Brothers, too! One I just stumbled on that you might like is Trampled By Turtles. They are a little more bluegrassy, but they have these beautifully sad songs. But their instrumentals are fast-paced and awesome. Their fiddler can play like mad!
Here is their latest song, Alone: http://youtu.be/ejfMrZQU3Eo