This really comes down to your team - try them out and see what feels good for you. React is a great library, and as an angular1 dev before joining the core tea

This really comes down to your team - try them out and see what feels good for you. React is a great library, and as an angular1 dev before joining the core team, I learned a TON from playing with React and especially Dan Abramov and Redux - most of the same patterns are immediately portable to angular2.