sephiroth1991 said:
I wonder how close it is to Xbox and Wii?
In terms of world wide sales, there's quite a gulf. The 360 has sold 39 million worldwide, and the Wii 56 million. But remember that the PS3 came out later than either of them, so a smaller install base is to be expected.
EDIT: I take it back. I had it in my head that the Wii came out at the end of 2005, not 2006. That said, the Wii's sales are unusually high for a console.