Would anyone be familiar with any good 'demonstration' audioclips that can be used to test out and compare headphones, or to completely blow away people who haven't seen the headphone-light with the great audio quality of your cans? Preferrably they'd be downloadable in some lossless audio...

mmm, I was offered a really good deal for a sennheiser HD600 headphone, for only 169 euro's a brand new one is mine My plan is to get a PAV2 to go with it right now. Would this also work well in combination with the hd600?

Thanks for your recommendations. Which of the two would you select as the best in combination with the hd580? Or is there no noticeable difference thanks for the advice and i'll check out these amps

Some time ago I decided to get myself a decent headphone, and the sennheiser hd580 has cought my eye. I didn't know much about headphones and I only today realised that earphones don't work directly on line-outs and mp3 player headphone plugs. I'll need a headphone amp. But when I see the...