Namco Bandai Games Inc. will release Arcade machines based on the Sony CELL CPU used in the Sony PS3.
The first arcade machine running on the CELL will be Tekken 6 coming later this year.
The current generations of Namco Arcade machines use the PS2 technology. So it is just straight forward to move to the Cell now. Namco and Sony partnered in January to form Cellius, a joint-venture focusing on developing games and software for the CELL CPU.
More details in this AP story on The Mainichi Daily News. See also the Tekken 6 arcade site.