GT3 MkII and GT3RS MkII are already confirmed as far as we heard.
Isn't the Paris Autoshow 2009 around autumn? I think they come earlier.
The rumored GT2RS has been discussed as some sort of short term replacement for the lack of a Carrera GT successor but as far as we heard, no final decision has been taken yet.
From a production point of view, a GT2RS shouldn't be a problem, a few tweaks here and a few tweaks there, add a couple of horses and there you go.
Unfortunately such a car needs to be at least 20000 EUR over the GT2's price tag and I'm not sure people would spend that much money for such a car, even if it would be limited in production.
Of course there are still rumors of a GT1 around Weissach but maybe this is just a "placeholder" for a possible Carrera GT successor.
There is no word whatsoever of a GT2S but the 997 Turbo facelift gets a Turbo S at the end of the lifecycle around 2011 or so.
Next year is mainly the year of the Panamera as a completely new model, this is a major rollout for Porsche under very difficult circumstances (current world financial crisis).
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RC (Germany) - Rennteam Editor 997 Turbo, Cayenne Turbo S, BMW M3 Cab DKG, Mini Cooper S JCW
) and enjoy the car 
