What can I say that wasn't already said ? This game is simply a piece of art.
I could have explained each "pros", but it would have been just be a repetition of what everyone said before me. And like they said it way better than I could have done it, please read their reviews.
As for the "cons"... There's always at least one, right ? A review that don't have at least one "cons" is suspicious because a game can't be perfect, it always have a flaw somewhere...
Well, I'm still searching, but can't find it. There's room for improvement of course, but not because of a lack of [something]. No, here, more than improvements, what's missing are the small pencil touch that make the difference between a painting and The Joconde.
In fact, the only "cons" I see, is that I'll have to wait between each update, and don't know if it's humanly possible to do this.