Here are my top 5 favorites, according to various rating sites.
1. SONY White EX Earbud Style Headphones - $49.99Featuring high-sensitivity 9mm driver units for a wider acoustical range and an angled shape that's more comfortable in the ear, these MDR-EX75 EX earbud headphones deliver robust sound in an innovative design. A silicone housing is included for the most comfortable fit. Available in three stylish colors: black, silver and white.
2. V-MODA Bass Fréq - $40.00Features: a small wonder of the world – deep yet precise bass levels you can actually feel. Complement the color of your iPod/MP3 player, accessories, and clothing - mix and match colors to create your own unique style. Unlike bulky active noise cancellation, BLISS introduces no artificial sound into your music and requires no batteries.
3. KOSS Keb/24 - $24.99The KEB/24 is lightweight with an in-the-ear design for deep bass and listening to music on the go. The KEB/24 features a dynamic element that is positioned just outside the ear for extended frequency response of 15-20,000Hz. The KEB/24 includes small, medium and large silicone ear cushions for a customized fit to enhance isolation when you want to eliminate ambient sounds that interfere with the listening experience. A flexible strain relief has been added for comfort.
4. SHURE SCL2 Sound Isolating - $110.00An excellent introduction into premium audio via sound isolation, the SCL2 features single dynamic microdrivers for full sonic range and resonant bass.
5. SONY Fontopia MDR-EX51LP - $39.99Close out the noise while opening up new ranges in your music with the MDR-EX51LP closed-type Fontopia® headphones. They produce the right stuff for high-intensity listening and powerful, resonant bass response.
Updated 5/28/08!