In-ear Headphone Advice Requested


I recently bought a pair of Audio-Technica M50 headphones, which sounded great for the price, but returned them because I didn't like the heavy, enclosed feeling of full-size, around-the-ear headphones. I now find myself wishing for in-ear headphones with sound quality similar to the Audio-Technica's. Does such a thing exist for a price that ordinary mortals can afford? I've listened to in-ear headphones that were very clear and detailed, but the music didn't have the "weight" that it had with the Audio-Technica headphones.

Suggestions appreciated.
alansky
I use the Yuin PK1 and PK2...both are excellent. PK1 needs a solid amp to really make them shine. PK2 will run off iPod amp without issues.

Mot
Thanks for the suggestions, everyone. I will look into some of them.

I already own a pair of Klipsch S4i earbuds, which are truly outstanding for the price (I paid less than $60) but pale in comparison with the full-size headphones I returned.
I'll second the Shure recommendation.I auditioned a bunch of brands all in an hour with my iPhone using the same three songs and they came out on top every time.
I've got an old pair of Sennheiser CX500 'phones that I've been very happy with. No longer made, but from what I've read the current CX300 mkII has a very similar sonic signature which is why I'm recommending them particularly in your situation. The CX500s are clear and nicely detailed but also smooth with a slight but not overdone boost in the upper bass/lower mids that adds some weight to the sound you may have been missing with the other (maybe more neutral/linear) buds you've tried. Plus they can be had for $34 online, but make sure you buy from an authorized dealer since there have been instances of counterfeit Sennheisers out there. Best of luck.