The media market has certainly changed enormously in the last 34 years and I hope that the new version, Cosmos - A Space Time Odyssey, will become just as successful.
It certainly looks faster and edgier than the original Cosmos, but that isn't too surprising as that is what today's market expects.
In spite of it being somewhat dated now, Sagan's Cosmos is still very much worth watching. It is out on DVD (I have the set), but also available on line.
I wonder if the new series will have any moments like this one: