Here is a brand new headset by Hamilton Electronics...the HA-66M.  This is a great computer headset when you require an 1/8" connector instead of a USB connector:

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Part number: HA-66M

Deluxe Multimedia Headset with Microphone
• Deluxe design with adjustable headband and noise reducing ear cups
• Headphone impedance 600 Ohms
• Frequency response 32 Hz - 18 kHz
• 6’ straight cord
• Boom mic impedance 200 ohms
• Flexible boom mic Neck length 4.7 ”
• 1/8" headphone plug and 1/8" mic plug

For a complete listing of all our headphones, headsets, listening centers, AV carts and more please visit our education section.  We offer full lines of products from Telex, Hamilton and Buhl and more.