Amazon.com has the Sennheiser HD 650 Headphones for $340 w/ FS.
Considering the price has only been trickling down to $424 recently, this is a superb deal.
Reviews: (101 out of 126 are 5 stars)
- Specially designed acoustic silk ensures precision damping over the entire frequency range and helps to reduce THD to an incredible 0.05%
- Improved frequency response of 10 – 39,500 Hz (-10 dB) for rich sound
- Hand-selected matched driver elements
- High-power neodymium magnets deliver maximum efficiency
- Lightweight aluminum voice coils for very fast transient response
- High power neodymium magnets deliver maximum efficiency
- Improved frequency response is 10 – 39,500 Hz (-10 dB)