I just said last week "take all the time that you need, to fix anything before give it to us", and in fact this is what happened.
Glad that you postponed; once again, take all the time that you need. Since you are there; think again and again about the mechanic that you are adding; just in case that there is still room for change something.
Being in Beta means that you are done and ready to push for release, once that the mass of players file the bugs for you guys, but there is always room for making a great game; and this usually start from great mechanics.
Just look at Space Engineers for example. They implemented planets; it works just fine as preliminary release, and opened up a whole world of complexity and scenarios, related to atmospheric flight, re-entry and escape from gravity; resource managements and such.
I know that ED is not in the same league as SE, but if you talk about freedom and sandboxing a game; then you have plenty of inspiration to take from such games.
Keep up the good work and pack a great build for us to test!