"The hd800 is probably technically the best headphone I've ever measured , or even listen to, they are better imaging than any other headphones I've heard , BUT, they are to me SOULLESS." Tyll Hertsens
Near 19h 34 of this video:
Then steve guttenberg suggest that a bottlehead crack change everything.
Personally I think 'soul' or 'emotion' should come from the music not the phones.
IMO the HD800's do a very good job of letting the soul and emotion through unimpeded, if it's there in the first place.