->Make Primary team have Defensive Team Class get massive impenetrable fortress.

->Make Alt team have have Wrathful Team class and go randomly sieging noobs.

Nah I think aggroable bases should be as simple as it sounds. Bonuses arent really a good idea, there are other ways to make cool gals with the current features in the game (like creative aug setups on creative slaves)

Actually, this is still something that's sortof under evaluation
We haven't been able to talk about this with the right people just yet and there's always plenty of other stuff to talk about so it keeps getting delayed. I'll give you guys an update on it when there is one.