I envy all you guys who could switch off the phone or put it in silent while driving. Thats the best thing to do.
But i cant afford to miss a call while on official travel. so I use a Sony Ericsson BT headset & use it only in the car. I will leave it in on position & Pair it when ever i get in. No big deal as i got used to it. Weekends, i either stop the car to take the call or take it later. The Nokia E series will make the selection easier by announcing the name of the caller.
But using it in a Bike is really

.