A new unique visitor (cookie) is only new one time. The sense of "newness" should not be configurable. If it's a new/repeat visitor report, the report should look at the cookie lifetime. Other milestones, like someone coming back in the last 60 days, are related to loyalty and engagement, not newn...
I would like the ability to classify my referring domains (i.e. external, internal, social media, B2B, etc) without having to use the Source of Traffic VISTA rule. Currently, I am wasting a prop to accomplish this.