I was browsing the videos on gamespot and happened to come across the new gran turismo video, and shock of shock it shows a FERRARI. Whether this is an indication of them actually appearing in the game isn't confirmed, but it sent a huge feeling of satisfaction when i saw it.
Heres the Link
http://uk.gamespot.com/ps3/driving/g...mo5/media.html
Its the first video, with the picture of the ferrari.