There is a market here as WalMArt in the US was selling low cost linux PC's. The selling point something like "cheap easy to use, works like a mac or pc, but no viruses,".
An official PS3 Amiga OS release could be a home run. Match made in heaven really. It wiould get some homebrew coders onboard for sure. Look the the avid community of XBOX homebrew development that spawned Xbox Media Center.