Ember Data Proposal: Fresh / Stale states

@bcardarella regarding stale cache do you have any thoughts on using payloads with partial representations of the resource in response to successful PUT and DELETE requests made from DS.RESTAdapter (or prototypes of it)? One thought I had was using DS.Store#update to apply partial updates (patches) in given a 206 status of the response. See this as well: JSON Patch support for Ember Data