American researchers have revealed that a car's middle back seat may be the least desirable, most uncomfortable, most "un-cool" spot in the vehicle, but it happens to be the safest. http://in.rediff.com/news/2006/jun/28seat.htm
i always choose the center seat (middle east) if ever i am passenger on rear seat it simply gets the front AC vents directly to the center passanger. does have its benefits in a way and thats a nice find by u.