I just can't believe it...OMG!!!
Original 997 Turbo: 3,6 l, 480 hp, 620 Nm (680 Nm with overboost)
And the 9ff versions:
1. 520 hp, 730 Nm
2. 535 hp, 740 Nm
3. 560 hp, 755 Nm
4. 590 hp, 780 Nm
5. 630 hp, 790 Nm (bigger, 9ff-VTG turbos)
6. 702 hp, 870 Nm (max revs at 7200 rpm)
7. 781 hp, 870 Nm (max revs at 7600 rpm)
8. 855 hp, 910 Nm (4,0 l, max revs at 7600 rpm,
only rear wheel drived 
)
9. 910 hp, 910 Nm (4,0 l, max revs at 8200 rpm)