All of these look unnecessarily busy to me. If they would just make Siri smarter -- which appears to be coming in iOS9 -- I think they would have something here.And they wonder why we have been screaming for Apple's UI in this industry...
That said, I do wish they would allow more information to be shown on the screen. I hate when I ask Siri "Show me a list of albums by <insert name here>" and she replies that she can't do that in the car. So instead, I'm forced to touch my way through multiple screens which causes even more distraction than if she would have just shown the list in the first place.