@Crispy: Yes, the outside tire should be generating most of the cornering forces in a hard turn. That's why I was concerned with making sure that it could maintain a proper slip angle with its path of travel; I thought that maybe with static toe-out and Ackermann geometry (which is essentially dynamic toe-out), the outside wheel may stray too far from the ideal angle.
@Sormaz: I think you've got my meaning. The idea is to have the steering dynamically adjust in the harder corners to produce more lateral acceleration. And I'm not convinced of it either, it's just a thought.