The Porsche Cayenne as a Family Vehicle:  As we begin our roundup of luxury family vehicles, we’re making a few assumptions, like you can afford drop the coin on the hefty pricetags (or like to dream), and also that you don’t care much about juice boxes flinging over the seats and Cheerios smushed into the carpet.  That being said, the safety, convenience, and luxury of the cars we’ve been test driving will absolutely make you feel like the super-star Mom you are.