SRH-840 would be the most flexible option from your choices. Closed back and it's portable as well. The sound is good with nothing over emphasized. If going IEM route, then the GR07 from your choices.

I'm a huge metal fan and I listen to many sub-genres. I think Grado works well for the traditional metal and hard rock. If you're into a wider range of genres it might be better to get a more flexible headphone. My 0.02

Got them today (black version from amazon.com, $17) and I'm so impressed I am doing a review on them. These definitely need to be more well known. A forewarning: I don't believe in the drivers burning in and I generally listen to my headphones out of the box immediately. I believe in the brain...

Dsnuts (or anyone else), I have two questions: 1) Does the HA-FX40 sounds odd from high impedance sources? 2) I have the FX1X and FXC51 and I find the FX1X too cloudy. I like the clarity of the FXC51 but it is painful to wear. I assume the FX40 absolutely destroys both headphones in...

Quote: I own both. The FXC80 is much better than the FX300. The FX300 sounds really strange and has a metallic sound to it that sounds off. I own a few other JVC cheapo in-ears, but the FXC80 along with the FXC51 (same driver) sounds similar and the best among all. I should add that I...