Suggest you check the meet impressions thread at Head Fi for more opinions, but I will say that they didn't float my boat on the mainline but sounded pretty nice on the S.E.X. amp. They are a pretty bright headphone, seems to me like they are a little hyped up to create a sense of presence and detail that may not be in the original recording you are listening to. The S.E.X. amp toned that down a bit and let them show that they have very good resolution.
My favorite is still the K1000s, and I still like the HD800s a lot. I also was impressed with the HE-6s and the Alpha Dogs. K812s were a bit behind any of those for me in that situation on that day. To each his own, beauty is in the eye of the beholder, opinions are like a******s, YMMV, TANSTAAFL, BYOB, ROTFLMAO, etc.
