To be honest, beyond a certain range they all sound 'good', and a lot of it boils down to individual preferences. Lots of people would not trade their HD600 for the HD650. Lots of people can't stand Grados no matter which one it is whereas others swear by it. The price is very high, but though they are pricier, but I am just as curious about how they sound. I mean, it's not often that headphone manufacturers release a new flagship can
