Ordered a couple to try. Also ordered replacement heads. These heads seem to be compatible with my evod/protank heads from the experimentation I've done.
The tank is the size of a mini vivi nova and comes with a beauty ring/thread cover and ming style drip tip. Haven't had any issues yet, but I'm only about 4 hours into it.
As a side note, the red one is a near-perfect match in color to my red k100:
