I think it looks really good so far - very true to the original game. The only thing that looks a bit underwhelming is the environments. I'm guessing they're procedurally generated but so far they look a little dull. Hope I'm wrong though.
Totally, but with the shift to the 3rd person perspective and the advance in tech, I hope they can make the environment more than Helldivers 1 with a different camera angle.