Somebody in the thread at some point said: > a one-size fits all data transfer. Worse, this results in > incompatibility. So, you have cordless Bluetooth headsets that only > work with certain Bluetooth devices, defeating the whole purpose of the > standard. That's going to get even worse, there are new incompatible Ultra Wide Band (UWB) wireless implementations of USB *and* Bluetooth in the works -- and Zigbee and a gazillion other mutually incompatible 2.4GHz protocols. FWIW if you own a mobile phone then Bluetooth is worth having... I am told. The headsets could be good if you want a microwave source stuck on your skull. Otherwise steer clear. -Andy