I don't really have the feeling that I need to fight for mass atm, because there are so many spots. Would be cool if you implement the feature to adjust the amount of mass soon! It would also be uber if you can move, add and remove mass spots by yourself in the system editor. Keep up the awesome work!
I'm actually curious about this, so I've got the game up right now and going to play in the system editor to confirm or debunk what Geers said.
Just checked, you can not change any of the values in the metal cluster and density sliders for any planet.
When we've figured out a good Baseline for "Stock" PA. I'm not sure we're there yet, we'll see once the overall economy gets a proper balance pass. Mike