It's better in that we catch a glimpse of a Na'vi. But for someone who's indifferent to Avatar as a franchise they aren't doing much to garner excitement.
First, we had banshees that the general population only has a passing (if that) familiarity. Now, we have a mystical river that could really be anywhere or anything. I know the tone of Pandora isn't bombastic, but it's like Disney is trying to advertise everything except the most recognizable parts of the movie.