my n900 is overclocked to 1 ghz constant ( means its always running at 1 ghz ) and well with kp 50 and smartreflexes on both vdd1 and 2 the battery life with heavy usage gets me a full day the device isnt unresponsive i mean i was intalling an app from F.A.M plus texting and browsing the internet the tablet wasnt unresponsive