If you are looking for a bluetooth headset, this is the best price I have seen. Buy.com has a Jabra BT350 Bluetooth Headset with 7 Hours Talk, 200 Hours Standby for $16.99. There is also free shipping. The description is:

The Jabra BT350 is a wireless Bluetooth mobile headset with high-quality sound and all the functionality you need for the perfect hands-free mobile experience. The BT350 features vibrate alert, which lets you know when you have an incoming call even if youre not wearing your headset. This, along with the convenient answer/end button and volume control, means you can manage your calls without accessing your mobile phone.