Most of the "DJ" headphones out there (new Sony's [like the V700's], Technics, IXOS, Pioneer, Stanton, etc.) Have boomy, overdone bass. Many have little bass extension or midrange. All marketed for DJ's have the necessary DJ features, for one-eared monitoring and such.
However, if you want something remotely versatile or remotely audiophile-quality, or that gives you a good idea of what your mix actually SOUNDS like, get the MDR-V6's. Sacraficing everything to have overbloated, boomy midbass doesn't help as much as you think it would for Beat Matching....