Um? Gas giants,water worlds,earth likes,lava worlds?!
There's an awfull lot missing and it's the most challenging technically. That's without considering the possibility of leaving our ships.
It's a huge challenge and if FD are actually aiming this high i applaud their ambition.
I get the feeling that, as much as they tried, they couldn't get atmospheric planets to work with the current game engine.....so have chosen to overhaul it completely. I guess we shall see in the coming months.