Should I purchase the Klipsch s4i or the Dr Dre iBeats?

Now...I need this question answered as I'm going to Best Buy to purchase one of them tomorrow. I would appreciate all input, please don't recommend any other headphones because these are the only two within this price range at my local Best Buy. I do understand that the iBeats carry heavy bass and that from what I have seen on many YouTube videos, the Klipsch aim more towards clarity. I listen to a mix of hip hop some rap pop rock and metal it is mostly even between pop and metal. I love bass, but I was wondering if the klipsch also have good bass, enough to tell that it is present. Thank ou and as always ten points to best answer.