The Wii sold 371,936 units in its first weekend of availability in Japan. Playstation 3 on the other hand sold a mere 88,400 in its Japan debut. Lack luster PS3 sales is puportedly due to limited supplies which is a result of difficulties in producing the necessary blue-laser diodes – that makes it Blu-ray. Supply issues has forced Sony to push the European launch to March 2007. Go Wii. Go Xbox 360.