I drove the 991 yesterday and the changes are quite sweeping.
The car has nice low end torque, seems fast and well footed on the highway.
For the price, I am not worried the M3 will go away at all.
I am very interested in the 991 GT3 and the turbo S. Watch out GT-R!

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94 530i sold (That was difficult for me)
01 530i >144,500+ miles SOLD
06 330XI winter's especially fun drive (SOLD)
10 M3 Sedan (sweet)
13 Nissan GT-R Black Edition
13 Porsche Cayenne Diesel

BMWCCA 4215