Here is how I see big releases coming out late this year...and how they impact sales...it is really a best case case scenario for Nintendo, Microsoft and Sony.
Wii 360 PS3
September
Americas 450,000 600,000 300,000
(Super Mario Galaxy) (Halo 3) (Madden carryover)
Japan 450,000 20,000 90,000
(Nights 2/Opoona) (Halo 3) (White Knight Story)
Others 300,000 180,000 120,000
(Mario Party 8) (Halo 3) (Various soccer games)
October
Americas 550,000 750,000 420,000
(DDR Wii, Guitar Hero 3) (Halo 3/GTA/Assassins Creed) (GTA/Assassins Creed)
Japan 400,000 40,000 150,000
(Final Fantasy: CC Wii) (Devil May Cry 4) (Monster Hunter, DMC4)
Others 250,000 220,000 250,000
(DDR Wii, Mario Galaxy) (Devil May Cry 4, GTA, Ass. Creed) (GTA, Ass. Creed, DMC4)
November
Americas 850,000 1,000,000 600,000
(Nights 2, Red Steel 2, Wii Fitness) (Lost Odyessey, GTA, Halo 3) (White Knight Story)
Japan 550,000 50,000 250,000
(Wii Fitness, Resident Evil) (Lost Odyssey) (Metal Gear Solid 4)
Others 550,000 400,000 450,000
(Guitar Hero Wii, Red Steel 2, Nights 2) (Fable 2, Lost Odyessey) (White Knight Sotry)
December
Americas 1,150,000 1,000,000 850,000
(Metroid 3, Mario & Sonic, Wii Music, RE) (Too Human, Mercenaries) (Too Human, MGS 4)
Japan 850,000 50,000 350,000
(Mario & Sonic, Wii Music) (PSO, Bladestorm, RE) (Lair, Blade Storm)
Others 700,000 500,000 600,000
(Metroid 3, Mario & Sonic, Wii Music) (Too Human) (Lair, Too Human)