"Among the very best there is."4.5 starson
Pros: Incredible sound quality, especially when coupled with an aftermarket cable like the Equinox, Silver Dragon or Cardas and a headphone amp. Very comfortable design, considering the apparent bulk of these cans. Audiophile headphone addicts will love this
Cons: Sennheiser HAD to go and create the HD650 (sigh); now I'm contemplating putting my HD600 set on eBay and getting the even more incredible HD650s instead. Gets really pricey with the add-on gear suggested above.