Maybe a future chip to be implemented in the G5 lineup?
http://www.physorg.com/news2147.html
"IBM, Sony Corporation, and Toshiba Corporation today unveiled for the first time some of the key concepts of the highly-anticipated advanced microprocessor, code-named Cell, they are jointly developing for next-generation computing applications, as well as digital consumer electronics."
Multi-core 64-bit processor
http://www.physorg.com/news2147.html
"IBM, Sony Corporation, and Toshiba Corporation today unveiled for the first time some of the key concepts of the highly-anticipated advanced microprocessor, code-named Cell, they are jointly developing for next-generation computing applications, as well as digital consumer electronics."
Multi-core 64-bit processor