I am wanting the new ones now. From the sound of it they have fixed the major problems with the first run mostly the coil legs heating too much and burning the seal that they were in contact with and the flavor muting seems to be taken care of other than normal ce2 preference difference. Some need to trim wicks some don't. Next chance I get I'm definitely getting the new ones. The vivi tank Imo is the best thing on the market function wise and now sounds like performance wise they have things figured out for a ce2 style which IMO are better than any polyfil.
I got mine too, the flavor is ok. I can't say if they fixed the seal burning, i'll take a head apart at the weekend and we'll see.
Some likes, and don't likes:
I like, that there is no (or not much, maybe i can still taste it slightly, we'll se later) rubber burning.
I like the design of the new head tops, head insides will come later to discuss.
I do not like, that they raised the coil position upwards 5mm or so. The V1 coil height in the tank was perfect. Any higher then that, and it will not wick the "end" of the juice properly. I guess they did this, so that it can hold more eliquid, but it's no use since it won't wick it well....
I do not like, that the draw is stiffer. It's personal preference ofc, but it's still much better then a stardust for example. That stuff has horribly hard draw. I can get used to this.
The performance is ok, so these will replace my vision clearos. I slowly started hating them for all the gurling problems, and since its very tall, the end of the juice won't wick well either...
We'll see how it performs over a longer period of time.