[JFreak]

Of course it frees up resources while using other resources (storage). In my point of view it is not needed for "normal" plugins apart from commiting to something as in "this track is done". It is however very useful in commiting to VI track once MIDI is done. And few posts up I told what is the easiest way of going back if needed to. Only commit to the VI, not other processing (apart of obviously what is essential to the sound of the instrument) which is mixing and likely changes over time.