Maybe someone could look to see if they can mine "CPU friendly" chains. A lot would depend on how much L1 cache they have. My guess is they won't do a very good job there either.
There is Cell/BE optimized miner for litecoin, which can run on linux capable PS3 consoles :
https://bitcointalk.org/index.php?topic=55953.0Probably a lot of people have already noticed it, but I got zero feedback from PS3 owners so far
