Should really try to search for stuff before posting. It's at the top right of the page. Lots of what you posted is in other threads.
It would be freak'n awesome to have greenhouses be part of the game mechanics, not just a structure people grow stuff in for no real benefit. Got ideas brewing about this, I may make a thread just for greenhouses.
Yeah no guns. Bows would be nice though. But for pvp it would be interesting to have a variety of melee weapons of different tech levels.