Launch Titles

As promised Here's a list of games from a leaked Best Buy list. Gathered By those Great People at Kotaku

Amped 3
Activision Call of Duty 2
Sega Condemned
EA FIFA 2006: Road To The FIFA World
Activision Gun
Microsoft Kameo Elements of Power
Peter’s Jackson’s King Kong
Madden NFL 2006
NBA 2K6
NBA Live 2006
Need For Speed Most Wanted
Perfect Dark Zero
Perfect Dark Zero (Limited Edition)
Project Gotham Racing 3
Quake 4
Tiger Woods PGA Tour 2006
Tony Hawk: American Wasteland

Pretty Good list I'm gonna get PDZ:LE, Amped 3, And Kameo. Probably also PGR3
I'll post the list released by microsoft of backwards compatible games later today.