The minivan segment has been engaged in a war of options of late, meaning you can really luxe out one of these grocery-getters for maximum comfort on long road trips. The Chrysler Town & Country is a perfect example. Features include automatic sliding doors, seating for seven and tri-zone air conditioning.    If you totally trick it out, you can get full cabin Nappa leather-trimmed seating and a class-exclusive heated steering wheel+ combine with the top-notch utility of eight-way power driver and front-passenger seats, navigation system and rear-seat DVD entertainment center. It’s like taking your living room on vacation with you.