Thanks guys,   I'll persist.       I'm listening to them now, although I've got the highs boosted to make them sound half ok.

HI all,     First post here !  However  I've been doing quite a bit of reading, thanks.     I've just bought myself a set of HD600's.  On first listen I was very dissapointed, so much so that I thought my amp or something must be innapropriate.     Three days later I'm thinking I may...