Smooth for me as well with everything set to High.
Intel(R) Core⢠i7-950 3.06 GHz
6GB (2GBx3) DDR3/1600MHz
NVIDIA GeForce GTX 465 1GB x 2 in SLI
Intel(R) Core⢠i7-950 3.06 GHz
6GB (2GBx3) DDR3/1600MHz
NVIDIA GeForce GTX 465 1GB x 2 in SLI
Comment