Here SONY, let me help you. These bundles would sell many PS3's:

[Tbone]

Well it has been confirmed i think that a new bundle with Gta4 and Gt5p is coming.

http://www.jeuxvideo.com/news/2009/00032417-un-pack-ps3-avec-gta-4-et-gt5-prologue-a-399-99-euros.htm

Edit: This one is for Europe.