Big Deals via eBay offers the Logitech H110 Gaming Headset for $5.99 with free shipping. That's tied with our mention from last June and the lowest price we could find by $8. It features a noise-canceling microphone and frequency response of 20Hz to 20kHz.
The planet will thank you, your local (overwhelmed) landfill will thank you. Even your budget will thank you.