What I'm curious about is how mainstream is the belief that Vishnu used his discus to chop up Sati's body, since only one purana - the Markandeya purana - mentions it? Somehow, it just sounds too cruel, and not characteristic of Narayan at all! Yeah, the people @ the 51 shakti peeths, like Kamakhya, would definitely believe it, but is this something widely accepted that Vishnu did?
Was Parvati born as a human? Himavat was the mountain god representative of the Himalayas. So would his daughter have been human, even though she lived on earth? Ganga was his other daughter as well, but even she was divine, except for the brief period during her curse when she was married to Shantanu. So it would seem that Parvati too was divine, but nonetheless had to perform severe austerities in order to win Mahadev's acceptance.
On the language, I find the language here authentic, but somewhat unusual given some of the concepts they've borrowed, such as ahuti (sacrifice, but usually, a different term is used for offerings which I'm forgetting at the moment). Given some of the recent serials that I've seen, that are either based in pre-Muslim era in India or even worse, mytho serials that freely use Urdu based words, I'd say DkDM is far better.