Crunch time: headphones $150....


Looking at Sennheiser hd 555, Denon ahd 1000, audio techs that were in Stereophile(SAMS SPACE)...any thoughts?
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My cans are getting cheap as I think they are going to introduce a new model. I have AKG 701s which are down to $299. Not your price point but they are great. My headphone amp is a SinglePower Extreme. Admittedly a high end headphone set up but if you heard it you would say that they are that good.
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