Over all a nice RDA, but not for beginner builders.
Now this new staggered Z post design is easy to figure out how to install the cols, BUT you are limited to the diameter of the coil size or you are guaranteed to short out. Even with the supplied coils they are right on the limit of the size the deck can handle without being shorted out. So no massive exotic coils in this one nor anything over a 3mm basic Alien or Clapton.
Then there is the amount of wasted juice and cotton room due to the staggered Z post design. It takes up a lot of real estate from the sqwonk flow control. So use as little cotton as possible.
But paying attention to your dripping or sqwonking and life is good with this, as the flavor it gives off is on point due to the top cap design. Don't pay attention and life will get messy.
Once you get to know this new design it really is a nice atty to have. Just be prepared to change the way you normally do things.