I just started using this yesterday on some mixes I was working on. The effect is subtle at first, but once you play around with this a bit, it yields some incredible results. Vocals are much more lively and it really helps clean the mixes up. As an added bonus, it's a very simple, straight-forward plug to work with. You'll be up and running with it in a minutes. Another great Waves plug and solid advice from my sales engineer, Mark Magdich!