Phenomenal Headphones for $10
After my $150 Sennheiser's went out I was bummed. As a grad student I'm broke, but my ears refuse to accept my poverty. I read this article on wirecutter [Only registered and activated users can see links. Click Here To Register...] and ordered the monoprice 8320's.
These headphones easily rival if not beat the pants off my old Sennheiser's! Full bass, excellent volume, decent isolation, and a truly tin-less sound! Just a tip if you're looking for headphones on the cheap, these will easily beat anything until you get up into the $200-300 range, and even then there are forum posts about them holding their own at that level.
The black ear buds are going for $10.73 with prime right now: [Only registered and activated users can see links. Click Here To Register...]