Games sure are gonna look cool in a couple of years, although the numbers thrown here may remind you of when Sony blurted something like a 75 million polygon per second Playstation 2.
"It will have the ability to do north of 1 trillion mathematical calculations per second, roughly 100 times more than a single Pentium 4 chip running at 2.5GHz...IBM is expected to begin manufacturing Cell (the name of the chip) as soon as 2004 or possibly early 2005.. "
The Zdnet article here. Slashdot has it covered.