I was using these
Sennheiser earphones at work. They sounded great, but sometimes I wear my glasses instead of my contacts, and they're a bit annoying to clip on your ear with glasses on.
So...
I upgraded to these
Sennheiser headphones, which I have had for about a year. I see there are even better ones out, now...
I am an audio freak. I rip all my stuff at 320, just because I hate (absolutely hate) audio defects. I'm an ex-musician, so I'm pretty quick to pick up on crappy sound - and my threshold is quite low.
That being said... I will be quite amazed if I ever buy another brand other than Sennheiser.