ithis on 12 April 2010
Have you seen this?
http://www.gamesthirst.com/2010/04/09/39-of-gamers-who-plan-to-buy-gt5-do-not-yet-own-a-ps3/
Since this is a US survey, and assuming GT5 will sell 3 million in the US, that would mean a potential hardware push of 1 million in the US alone.