You guys have fun saying never.. :P
S2 isnt finnished and mabye wont be for half year/full year.. and with tons of suggestions and ideas for s3, working on them will take along time, getting it right will take even longer, finnishing them is going to take even more. This will be enhanced grapics, better physics for so much more for all knows mabye sliiping on a peice of paper on the track ya know.. then car handling etc. Though that sounds forever, my estimte is 2008-2009..
Meh, it will rip Vision Gran Turismo (PS3) not in half, in 16ths lmao :P.