Auto sorting in perspectives

Very minor quibble here. I really like how in a context based perspective (e.g. one showing only tasks belonging to the ‘Today’ context) if I change the context of a task it automatically disappears from view. However, if I change the project that the task belongs to it DOES NOT automatically move under the proper project group (I’m grouping by project). I have to hit cmd-k for this to happen. Can’t this be automated as well?