Looking at the West, these months - particularly with Oct-Nov are absolutely stacked with content.
For Wii you have:
September: New Carnival Games, Samurai Warriors
October: NBA Jam, Just Dance 2, Kirby, Wii Party, Deca Sports 3
November: DKC Returns, EA Sports Active 2, Pokepark, Slingsmash. Epic Mickey / Udraw too are likely
DS:
September: Layton 3
October: Final Fantasy: 4 Heros, Art Academy
November: Mario vs. Donkey Kong
PS3:
September: Move / Move Games, Eye Pet, Sports Champions bundle
October: Little Big Planet 2
November: Gran Turismo 5, Ape Escape
X360:
September: Halo: Reach
October: Fable III
November: Kinect games (Dance Central, Kinect Adventure, Kinectimals, etc0, Kinect Bundle
PSP:
September: Kingdom Hearts, Phantasy Star Portable 2
October: Eyepet, Invizimals
November: Patapon 3, God of War
Multiplatform Releases:
September: Batman: Brave & The Bold, Guitar Hero, My Sims Sky Heroes, Dead Rising 2, Lord of the Rings, Shaun White Skateboarding
October: The Sims 3, EA MMA, NBA 2k11, DJ Hero 2, Medal of Honor, Def Jam Rapstar, Force Unleashed II, Castlevania, Fallout, NHL 11, Rockband 3, Tony Hawk Shred, WWE vs. Raw
November: Assassin's Creed BH, COD Black Ops, PES, Need for Speed, Sonic Colors (Wii/DS), Goldeneye (Wii/DS), and probably Michael Jackson, Harry Potter, Create
If you divide it up on how key titles are likely to perform lifetime you have:
5m Sellers+
Wii: DKC, Wii Party
PS3: Call of Duty, Gran Turismo 5
X360: Halo Reach, Call of Duty
3m Sellers+
Wii: Kirby, Just Dance 2, Pokepark
PS3: Little Big Planet 2, Assassin's Creed: BH
X360: Fable III, Assassin's Creed BH
DS: Art Academy
Pretty much everything else I think is subject to performing less than expected...what do you all see as the major titles by platform and what will be the casualties? Should be a banner holiday for top software in the West - my hunch is HW / less big sw will suffer a fair bit though.
People are difficult to govern because they have too much knowledge.
When there are more laws, there are more criminals.
- Lao Tzu