<i>There’s simply no way that iPad, no matter what the processor, is good for a real 10 hours of continuous use.</i><p>If Apple (or anyone else) can pull off the tricks developed for the OLPC, then 10 hours would be doable.  (The ability to put the main part of the motherboard to sleep in under 0.1 seconds, while separate systems for the screen and the networking keep going on a trickle of power, combined with the ability to come back just as quickly and invisibly to the user.)