WB, the lowest price I see on the 580 is $158.95 at etronics.com. The 580 is an excellent phone, but don't underestimate the inconvenience in long listening sessions which the dual cord connection to each ear can cause. The quite similar sounding AKG K501 has a single connection which in my experience makes for less cumbersome listening sessions.

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Enjoy the music, not the equipment.