You get 6 core Westmere(Gulftown) in about half a year. You get 32nm dualcores. And after that you also gonna get some 6 core Lynnfield replacements.
So again I dont get your point. You simply sound as you are overexpecting everything. You get a new uarch each 24 months. Not each 12. Also i7 aint 12 months old yet is it? i7 was released on november 17th 2008. In short i7 is about HALF A YEAR old.
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