Are you sure that you're not, perhaps, stretching this just a little bit?
I travel a lot and cannot imagine any appreciable difference in my travel plans simply because the car now has a button that tells it stay in it's lane by itself. For me, the ACC makes far more difference than the lane keeping ever would.
That's kind of my thinking too. If there was a trip you had ever done in a gas car would you then fly because your car didn't have autopilot? If it were truly autonomous driving then I'd consider stretching the distance I would drive greatly but not what Tesla is coming out with. It will make travel easier but I'm not all of a sudden going to go on a 2,000 mile drive with autopilot when I never would have considered doing this in a non-autopilot car. Just me though.