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Future Processor Technology
This New York Times article discusses Intel and IBM chip technologies which are accelerating the speed of current processors as well as other advances.
They focus on Intel's speed boosts as well as a mention of 10-Ghz speeds in certain portions of a prototype processor.
IBM/PPC gets some limited coverage with focus on power consumption issues:
One of I.B.M.'s papers will focus on a 1-gigahertz PowerPC microprocessor that can almost instantly raise or lower the amount of power it consumes, significantly increasing power savings.