Sony’s Kutaragi has said that the PS3’s HDD will come with Linux installed. Also you can read about IBM's work in this area over @ http://www-128.ibm.com/developerwork...nxw09SpufsCell where they talk about porting Linux to the Cell processor.

From the above link
The team hopes to integrate most of this into the 2.6.13 kernel release so it will become part of upcoming distribution releases.

I would like to take part, but fear that my lack of knowledge in this are may not prove usefull. Though I'm kean to learn.