Trying to decide on which device. I see the 2000 is out of stock but the LG device that's identical is in stock. I get the extra bells and whistles like heating in the 2000/LG but is that really worth paying 2-3x as much for? I've been using my TENS 7000 for months and want to actually take down the inflammation instead of just addressing the symptoms. I have severe gut dysfunction from what I'm assuming is low vagal tone and dysfunction from abdominal surgeries and severe burnout from trauma and medical trauma and while the TENS works for a time the US sounds like a much better and gentler long term solution and I'm desperate just to be able to eat and drink to live.