Hi everyone. I´m looking for some high end headphones, for mixing and mastering. I know monitors are usually used but they are quite more expensive and i already have studio monitors. Anyways, i´ve been considering the AKG K 701 and the 601 (Apparently they differ by very little though the 701´s price is quite higher) and the Seinheiser HD 280 Pro. Im guessing by specs that the 601 and 701 are of higher quality than the seinheiser. Which one is better? Also, if you know of other better professional studio headphones i´d appreciate opinions Thanks!