The news is all about racing today, with news of the MotorStorm patch and also about SEGA Rally for the PS3, 360, PC, and PSP. GameIndustry.biz did an interesting interview about SEGA Rally, and it looks like the 360 and PS3 versions will be identical:
We’re very happy - the game looks identical on both platforms; [...]
"SEGA Rally Preview and Interview" - 21.06.07