Since they already confirmed no Super Predators, I doubt we'll be seeing much from Predators in the series. The preserve planet idea doesn't really work without the Super Preds.
I'm most interested to see what "crazy" thing they have planned, which Williamson alluded to on Twitter.
On another note, I like how they seem to be drawing inspiration from Prometheus concept art. I'm hoping that we at least get some interesting, otherworldly aesthetics out of these series. Note the above-ground rooted plants: