Playstation 3 is the only Playstation that can be a Blu-ray player. Wii is outselling PS3 right now by 4 to 1. Xbox 360 is the Xbox that you can add an external HD-DVD player to.
Research firm Digital Entertainment Group (DEG) revealed that there are 1.5 million Blu-ray players in the U.S., compared to only 300,000 HD DVD players. But while the HD DVD hardware base is a nearly equal split of set-top boxes and Xbox 360 HD DVD players, the Blu-ray camp is divided up into 1.4 million PlayStation 3 systems and 100,000 set-top boxes.Blu-ray Disc Beating HD DVD...Thanks to the PS3