I need the best Bluetooth headset that is most compatible and most accurate with Dragon NaturallySpeaking 9 and a Dell Bluetooth 355 module. Criteria: * must be most accurate with Dragon NaturallySpeaking 9 * must be very comfortable to wear * must be as discrete/small as possible * must be less than $300 (I would really prefer $150, or a price that gives me the most bang for the buck) * I would like to be able to use the headset with a voip soft phone like Ekiga or...