Now that they've both had some time to settle in with their cars I'm curious what some of the more long-term comments are (e.g.: Does one's back still hurt on long trips? Any rattles or squeaks develop in the car from any of the plastic trim pieces or anywhere else? Any occasional starting glitches, etc.? Average mileage to date?)

Sorry to ask so many questions, but obviously you guys are our "long term test drive" correspondents now. :D