This is my first review and my first over-ear headphones.  I have been contemplating about buying the ATH-M50x for some quite time after discovering that Beats are a sorry piece of headphones fueled by celebrity marketing to lure its customers (I heard that the new Beats improved in terms of sound quality, but the price is still.... ugh). I just bought the limited edition dark green color. The unit is 2nd hand (Thus, there is no need for burn-in) but still looks and feels new.  Design and Build - Audio-Technica went for a simple but...