not sure if this is true i heard thier has been 15revisions of the darwin the 15th being the newest one with the blue screen,my question is how can u tell which one u have if its not a blue screen?whats the differance between the very first and the newest one i just bought a used one it looks like it has the blue screen says its still under warenty and the battery is still under warrenty i know the battery has a year warrenty so it had to been made with in the year,i was just wondering if i got it and its not the blue screen is thier a differance between say the 10th and the 15th revision?i might be wrong all together about them making 15 of them but that what i was told and just wanted to confirm it...cant wait to get it in my hand