Here are the hardware totals for the week ending 10/14/07. The PS3 outsold both the 360 and the Wii.
--------Weekly------Total
DS---158,975-----17,282,952
PS3---77,827------1,697,638
Wii----75,033-------3,523,800
PSP--62,027-------8,535,003
PS2---53,843-----43,151,763
360----42,244-------3,754,596
GBA----2,495-----19,534,242
source n4g.com