I just found a few video's Ive not seen before that give a feel for what the on planet battles and atmospheric flight might be like.
https://www.youtube.com/watch?v=l0fEsQ_ke28
I'm really looking forward to this game again after forgetting about it until AMD featured the game in the Hawaii press event.
https://www.youtube.com/watch?v=pPsHSpRBB04
https://robertsspaceindustries.com/