Yes please, these are all really good ideas and i just want to add to them.
More resources, and could even possibly be Planet specific. (I really like the idea of many more planets, but to have more planets we need more resources and reason to go to them other than the cosmetic venture)
Please Please Please structures for building walls and base/fort. (Which would be very handy if added with mobs)
Since we have to have oxygen all the time it wouldn't hurt to also have to eat or drink water. Which could add to more base nodes. i.e Water purification and cooking/packing station for