Masterzorag has posted a video on his blog about running Pyrit on a Playstation3, utilizing the Cell B.E. processor. As far as I know, this is the very first case of using the Playstation3 or the Cell B.E. for attacking WPA(2)-PSK.
he got it up to 30000 pmk/s
i have it running in ydl with opencl support but i only get about 600 pmk/s