The Official July 09 NPD Thread (Data at 6:30 PM for 4 weeks ending Aug 1)

[Kenology]

dolemit3 said:
If Madden doesn't push the 360 over the Wii then Halo ODST will. The PS3 will probably beat the Wii in September too after the price cut.

That's almost a given assuming it has a similar impact of Halo 3, but that won't happen at all.