I am super picky when it comes to vibes. I have been using the same type for 5 years and have gone through three of them. What I am looking for now is something to spice things up. Can anyone recommend a high intensity vibe, that is rechargeable (ive gone through loads of batteries) or plugs in. I dont really care about multiple settings. I like the kind that has a dial to go from a light buzz to a serious leg shaking buzz. Any recommendations or than a hitachi?