GT5 will be delayed to 2010 to coincide with the Sony Mote release.

[makingmusic476]

It's more likely they'll bundle it with a Hots Shots game rather than hindering their biggest IP.

Besides, the controller would work better with a golf or tennis game anyway.

If they were to push the peripheral with a racer, it'd probably be something a bit more arcade-y like Mod Nation Racers.