Mine:
http://www.amazon.com/Sennheiser-HD-280-Pro-Headphones/dp/B0000E1O7Y/ref=sr_1_2?ie=UTF8&s=electronics&qid=1269815191&sr=8-2
Sennheiser HD280Pro closed-back headphones. I need a new pair, though, they're just not powerful enough for me anymore. I also own these:
http://www.amazon.com/Sony-MDRXD200-MDR-XD200-Stereo-Headphones/dp/B0007N55NW/ref=sr_1_1?ie=UTF8&s=electronics&qid=1269815248&sr=1-1
Sony MDRXD200s
Just in case my HD280s break.
Also, speakers can very well overpower headphones. You just need monitors, not stuffty computer speakers.
Edit: Also, start posting your damn specs.
HD280Pros:
Technical Data
Connection cable Coiled cable (min1m/max 3m)
Contact pressure 6 N
Ear coupling Around-the-ear
Frequency response (headphones) 8 - 25,000 Hz
Jack plug 3.5 / 6.3 mm stereo
Load rating 500 mW
Nominal impedance 64 Ω
Sound pressure level (SPL) 102 dB (IEC 268-7)
Total harmonic distortion (THD) 0.1%
Transducer principle Dynamic, closed
Weight w/o cable 7.8 oz (220 g)
MDRXD200:
Cord Length (Approx.) : 3.3 ft (1.0m)
* Design : Over-the-head, Home-music/movie/games
* Diaphragm : Long Stroke
* Headband : Adjustable, Single, Music/Movie Sound Mode Switch
* Magnet : Neodymium (360kJ/m3)
* Plug : Gold-plated, straight stereo Unimatch® plug
* Type of Use : Home
* Cord : Oxygen-Free Copper Litz
* Headphone Type : Closed, Dynamic, Urethane Leather material
* Driver Unit : 40mm, dome type
* Frequency Response : 10Hz - 22,000Hz
* Impedance : 70 ohms
* Sensitivity (db) : 102dB/mW
Power Handling Capacity : 1,500mW (IEC)