John Gruber wrote a great commentary on iSuppli's methods a while ago [1]. Basically, his assertion is that their numbers are a mix of generalizations and pure

John Gruber wrote a great commentary on iSuppli's methods a while ago [1]. Basically, his assertion is that their numbers are a mix of generalizations and pure imagination, and don't take into account a lot of important factors. [1]http://daringfireball.net/2007/07/isuppli http://daringfireball.net/2007/07/isuppli