The AI does need improving. It's been on my to-do list for at least a year now, but keeps getting trumped by other concerns.
It really has languished for too long, so I've bumped it up the priority list for you. Don't count on seeing it in the next release (already suffering from feature creep - I replaced half the graphics again
), but perhaps I'll get it into the one after that. Watch this space, as they say.
Thanks again for the feedback!