why would someone go around telling the world they got popped, like kid after her 1st kiss? much less starting multiple threads about the subject.
If its legit congrats and move on, if its not get bent and move on! (no hate just being real)
with the smaller fan u'll have to run it at a higher rpm to get the air out, which means more noise. the benefit of the larger fan is with a controller u can turn it down to make the noise less. personally if I can afford it id say go big. better to get a little more then u need then to...