Typhoon I think the 7520's are great for that kind of music, which is mostly what I listen to (90's death, black, thrash, and some older and more recent stuff as well). They're extremely comfortable, no issues for me, and don't need an amp but can get even fuller with one, in my experience. As for the cord, it's true that it's a coiled pain, but that's only if you don't like coils, which I don't.
I'd say don't go to Amazon, but get a high-quality 3.5mm-to-3.5mm cable from a Chinese maker. Some of those small hi-fi outfits in China are doing great work. You can find them on eBay with a little searching. For $12 shipped, I'm getting a custom-length Canare (Japanese-made) cable with a Pailiccs jack on the HP end, and a smaller Chinese-subcontracted Neutrik jack on the source end. It's basically a combination of the D11 and D02 model from this guy, without the fabric sheathing so that it's more flexible:
If you email the company, you'll be talking with the guy himself, and he's great. And $12 is less than some of the lower-quality mass-produced cables on Amazon.
I love the 7520's.