1. Jessica Jones -- one of the most interesting new shows I've seen. Not without its defects, but head and shoulders above other comic book shows.
2. Daredevil
3. Arrow
4. Supergirl (intermittently watching)

I need to get around to Agents of SHIELD, and I was never really interested in the Flash. I'm surprised by your strong endorsement, though, so maybe I'll give it a try.