for laptops using GPU does consume more battery

currently typing this one a Packard Bell DOT netbook, running Windows 7, when running on batteries it auto-disables aero, when plugged in aero comes back. OS is reponsive and fast, boot time is same as XP, exactly the same, timed it

memory usage is ~500mb without anything running, so even with 1Gb memory it's fast, XP uses a lot less, to be honest, but how much multitasking are you going to do with a Atom CPU?
now I don't know how they did it, but W7 beta is as fast as XP on this Atom netbook...