There is ALOT going into Globalfoundries 32nm process. The reason they are delaying and tweaking is because it is EXTREMELY difficult to "Fix" things during production. TSMC 40nm became a nightmare because of this effect. It is far better to fix things before mass production and focus on new improvements along the life than try to fix things throughout the lifecycle.
Their 32nm process has to compete with Intels 22nm CPUs coming out in late 2011 to early 2012.
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