Oscillations

What vibrators have a noticeably oscillating motor? I was just alerted that the dreamers bliss does, and that isn't a product that shows up when using the search engine for 'oscillating'. Also, do enjoyers of oscillators think they are very preferable to reglar old vibes? Another also, aren't the motors fairly similar on vibrations and oscillations, just more quick paced for the vibrators? It would seem to meh.. i'm not much of a knower of mechanical things tho