But Sony have announced that the PS3 20 GB and 60 GB will be discontinued in Japan at the end of January.
The reason has not officially been announced but I suspect it has something to do with the very popular 40 GB model that is outselling all other PS3 models in Japan.
The withdrawal of the 60 GB and 40GB models means that there will no longer be backwards compatibility for PlayStation 2 games in Japan. There has been no news of the rest of the global market but I think change will be inevitable.
Watch this space.