Logitech has the Logitech H230 Headset with Mic (new, dented box) for $15 - $2 off off with coupon code logi_h230_103112
[Exp 11/3] = $13. Add two to cart to reach $30 - $4 off with code = $26
with free shipping. $20 minimum purchase required for free shipping; $6 shipping for orders under $20. Amazon has them for $17 each.