Hey, check out these auctions:

LIVE HEADSET HEADPHONE W/ MICROPHONE FOR Xbox 360 Slim
US $5.79
End Date: Friday Sep-03-2010 9:27:29 PDT
Buy It Now for only: US $5.79
Buy it now | Add to watch list
Headset HEADPHONE earphone FOR XBOX 360 LIVE w/ Mic
US $5.99 (0 Bid)
End Date: Friday Sep-03-2010 9:27:33 PDT
Bid now | Add to watch list

Cool, arent they?