The competition:Coolermaster Aero 7+: the improved Aero
You might think 'ugh? Again the Aero?' but if you look closer, you'll see that it says Aero7+ and not Aero7. Aha! An updated version. Rumors exists that the Aero7 fan took too much amperage and could possibly fail its duty when installed on a crappy motherboard. So Coolermaster made a revision. The fan now takes 0,8A instead of 1,3A, so that's quite a difference. And the good thing about all this is: it has more airflow, :) But on the other hand, it's louder at maximum speed.
Looks the same, only the amperage is different.
Still those cracks on the bottom. Nothing to worry about, but they could change that too. If you want to know more about this cooler, read this article.