I find it very difficult to decide what should be a Goal and what should be a Portfolio. Right now my decision is based on the current capabilities of each. Sometimes I need to create both a Goal and a Portfolio to track the same thing.
Goals are great for an overall status but the detail for each target leaves much to be desired. Portfolios have great detail but no overall progress or status.
I think it would be great to merge these into one feature. Basically using the Portfolio items and all their glory as targets.