Warm the engine driving or in the driveway?

[BYprodriver]

Originally Posted by 986Porsche986

Just wondering what was better, to warm the engine idling in the driveway OR to gently drive it until it gets to normal operating temp? Please fill me in.

The object of the game is to minimize the load on the driveline until it is at operating temperature. How in the hell anyone can think driving is less of a load than idling where you start it is beyond me.