Looking to buy first decent pair of over-ear headphones (~$100) for music listening. Don't have an amp, and I'd be mainly using these with my laptop, phone, or ipod. 
 
I signed up to the site yesterday and I don't know anything about headphones, but based on some reviews here I've narrowed it down to:
 
- ATH-M50's
- Sony MDRZX700
- JVS HA680 from Japan
- AKG K240
- Creative Aurvana Live!
- Sennheiser HD380
- Logitech UE6000
- Shure SRH750DJ
 
There isn't a specific genre of music I mainly listen to, but my first choice right now is the M50's as I've read it provides a deeper bass which I think I'd enjoy. But based on some reviews I'm concerned it might sound more muffled in other areas.
 
I was also considering KNS 6400 or Shure SRH440/840 which I've read have more clarity, but I've also read that those are better utilized for studio use rather than casual listening. 
 
I'd appreciate any insight/experiences with these headphones or other possible recommendations.
 
EDIT:
 
TL;DR Hesitant to get M50s because of overshadowed mids (not good for guitar solos). Hesitant to get Shure SRH840 because fear of flat sound/lack of punchiness. Any insights? And if my worries are justified, what's a good reconciliation between the two?

I vote JVC HA-S680s

I suggest the CAL! or Logitech UE6000 in that price range.  You would probably benefit by reading this (concentrating on cans currently in your price range):
 
http://www.innerfidelity.com/content/innerfidelitys-wall-fame-full-size-sealed
 
I will add that the semi-open K 240 is not an especially good choice without an amp.

stay safe and stick to the m50's. It is not muffled in anyway except maybe for the slighty below neutral mids that you won't notice. 

b0000 said:

  stay safe and stick to the m50's. It is not muffled in anyway except maybe for the slighty below neutral mids that you won't notice. 

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A-B the M50 with a good can that has neutral mids and you will notice the difference.  You may like the relatively bigger bass and/or treble, but that's a different issue.

ATH M50s! 
 
-Tight/clean bass
-Easy to drive
-Excellent build quality/price
-Great aesthetics 
 
It's a great first purchase.. Also, try to get the ones with the coiled cable, they're much easier to carry around.

I vote for Shure SRH750 DJ's. Cheaper than the ATH50's and better low end while still maintaining clarity elsewhere. These can be had for $110 from authorized Shure dealers on eBay.

whitedragon551 said:

  I vote for Shure SRH750 DJ's. Cheaper than the ATH50's and better low end while still maintaining clarity elsewhere. These can be had for $110 from authorized Shure dealers on eBay.

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Looking into these now. Would I need an amp for it?

I'd say first decide if you want closed headphones or not. If you don't absolutely need the isolation, then I'd recommend getting semi-open or open headphones.
 
AKG K240 is a fine choice, they are affordable, yet have a good clarity and separation, warm musical sound and enough bass for most needs.

headzone said:

  I'd say first decide if you want closed headphones or not. If you don't absolutely need the isolation, then I'd recommend getting semi-open or open headphones.
 
AKG K240 is a fine choice, they are affordable, yet have a good clarity and separation, warm musical sound and enough bass for most needs.

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Though isolation isn't a deciding factor for me, ideally I'd like to be able to use them, say during travel on a plane. That said, I'm definitely open to any semi-open/open options.
 
KG Jag suggested I get an amp for the K240. I might purchase a $20 one off amazon or something, but getting an amp as well really isn't my first preference. 
I've also looked into the Grado Sr60/80is which I've read is really good for rock music, but not so much for bassier, electronic music which I listen to as well.  

I think the new K240, the 55ohm version, doesn't need that of a monster amp. I drive mine out of a studio interface DAC, but they sound just fine out of an iPod too.
 
You could try them first, and if they are not loud enough, then later invest in a bigger amp, like a FiiO E11.
 
The reason why I recommend open headphones is that they usually sport better sound quality for the same price, in case one doesn't need isolation.

Is the UE6000 or M50 better for rap/hip-hop?

I've got some m50s for sale at the moment. I love them! Only reason I'm selling is because I bought the coiled cable version instead

http://celltraderonline.com/showthread.php?t=7473
Audio Technica ATH-M50 Professional Studio Monitor Headphones - $90 shipped

Sent from my LG G2!

You could always just buy off amazon or somewhere with a good returns policy and send them back if you don't like them.

UE6000 definitely wins.They compete rather well with $300 headphones like the Momentum, and the M500.