few concerns bout the new 350....

allright, i have heard that if you purchase a car, the new modell, when it first comes out it isnt good, there are many minor problems with it, and its better to purchase it a year or two later. My cousin got the new redesigned maxima when it came out few years ago, and he has problems with the steering, rotors, pistens, and very minor things like that..i am wondering if this will be a problem with the Z, or not, hopefully not becuase it is a well anticipated car..well get back to me on this one..