well my i plan on getting mines when ever apple releases a new one..... how to extened the battery likfe? i haear over time the bettery doesnt hold a charge as well as it does when you first get it. with all of my products i have owned thta are portable (psp, cell phone, i pod) i leave them on the charger when their not in use. is thta bad? do i have to get the battery low to charge it? i need to know becuase i read it cost 150 dollars for a new battery..