Build away to your hearts content with the new toys available to you.
You can press 'G' to switch between Gorge and ExoGorge.
Use ExoGorge thrusters 'Jump' to float up and and press 'Crouch' key to hover.
New rotational positioning on some buildings, to enable you to get the objects facing in the direction you want.
Get out and play with the new toys, and let's see if you can do any better than me...