I've tried quite a few of the sub ohm tank version's in the last half of this year and they've generally been quite positive.
The idea of the large surface area of the mesh coil does seem to supply a dense vapour which if not pushed to ridiculous limits (As ever, manufacturers are more focused on pushing the limits of vapour over coil life).
Also the levels of vapour produced at lower wattage plus the even spread of heat on the wick seem to extend coil life slightly.
Not exactly revolutionary (time would be better spent looking at even and long lasting juice to coil wire delivery)
But a nice addition that could prove more.reliable than multiple small coil.system's.