Smarter combat strategies. Programmable perhaps? Write your own strategy using pseudocode?
I love this idea!! Almost infinite flexibility!
A lot of these ideas are great but I don't want to see this game turned into a micromanagement nightmare either. Make some "improvements" optional.
I'd hate to see the game turned into a resource hog too. 3D is fine but don't go overboard, I don't want to have to rebuild (again ) this Frankenstein computer of mine.
I'd like to see additional and more flexible abilities for modders to exploit... er, use.
But I think the most important thing would be not to rush the game to developement. I think that's what is killing a lot of games, rushing to get a product on the shelves rather than working to put a quality product on the shelves.
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This is the 21st century, right? Then where the hell is my flying car?