ATH-M50 for sure, I'm very satisfied with mine. I got it for $90 from ebay (best offer). You should burn the headphones in for a few days, the sound quality just improves tremendously (to me, not trying to start a burn-in argument so YMMV)

ATH-M50

MJ + Music = AWESOME....but yes too much of MJ is bad for you, but that's like saying too much of anything is bad for you. The AMA (American Medical Association) recently released a statement... "“Marijuana’s Schedule I status is not just scientifically untenable, given the wealth of recent...

I was also looking for headphones under $150 and after extensive searching, I concluded that the Shure SRH840 sounds awesome but it would be better amped. A lot of people preferred the Shure SRH440 if you're not going to buy an amp. In the end, I decided on the Audio-Technica ATH-M50 (can be...