You can create new Models independent of the Collection and they will sync to the server asynchronously when you Collection#add() them, but note that all of the

You can create new Models independent of the Collection and they will sync to the server asynchronously when you Collection#add() them, but note that all of the Backbone events ('add','success', etc) are triggered in response to the server. It'd be nice if this was more clear, and perhaps Backbone could trigger additional events based solely on clientside actions...