I just bought my second ProVari. I also have a Lavatube, a ZMax & several ePowers & eGos. I bought the ZMax because of it being VW. I like the ZMax, but if I don't remember to shut it off, it changes settings in my pocket. My ProVari doesn't. It stays however I set it.
I like the hit I get on the ProVari & it's the same until the battery dies. The ZMax has a good hit & it stays pretty good, if it doesn't change in my pocket. Actually, I think I get better battery life on the ZMax.
I bought the second ProVari because of the uncertainty in the vaping world. Also, the button on the ZMax is getting flaky. It's 4 months old. The Lavatube is over a year old & works just fine, so I'm not hard on PV's. It, of course, looks like it's a year old! The ProVari is 9 months old & works like new. Doesn't look bad, either.
I keep saying that the best PV ever made is the one that gets you off cigs & keeps you off. For me, that's a ProVari.
Is that a Provari in your pocket or are you.....................