Received a pair of these from work, but I already have nice headphones, so I'm selling them. Only used them once or twice, but the sound quality really is great. Fits any normal computer/phone jack.

They're going for $92 on Amazon right now:
http://www.amazon.com/Sennheiser-HD-280-Pro-Headphones/dp/B000065BPB

Looking for $75 OBO. Let me know.