Frankly, I believe it's beneficial to bring home one at a time and live with it for a week. Then, when you replace the first one with the second one, you may realize immediately that you either miss the first one, or that the second one is preferable. Same goes for the third.
Having three at once and swapping them quickly in and out doesn't allow the sound of any of them to settle into your psyche.
Having three at once and swapping them quickly in and out doesn't allow the sound of any of them to settle into your psyche.

