Buy.com has the Plantronics Voyager PRO Bluetooth Headset for $63.99. This headset ships for Free, and it features:

• Always-on dual-mic AudioIQ technology cancels noise while retaining the unique, natural sound of your voice
• Automatic voice prompts alert battery and mute status; multipoint technology connects to 2 devices simultaneously
• Pivoting mic boom lets you wear headset on either ear and optimize the position of the two microphones
• Three layers of WindSmart technology--stainless steel mic screens, acoustic fabrics, and an electronic filter--block intrusive wind noise