Apple and Google may be sitting on their piles of cash, but Intel sure is dipping into its reserves in a big way these days -- the company has just announced that it's following up its nearly $8 billion acquisition of McAfee with a multi-billion dollar investment in upgrades to is factories in Arizona and Oregon. That investment will total between $6 billion and $8 billion, and include the development of an entirely new fabrication plant in Oregon, in addition to upgrades at the two existing facilities that will allow Intel to move fo