
my pc spec
Windows 7 Home Premium 32bit SP1
Core i3 550 @ 3.20 GHz
Memory 4GB
geforce gts 450 1024 MB GDDR5
nvidia Driver 314.22 WHQL
SXGA (1280x1024) 75Hz
monitor color temperature 6500k gamma2.2

It was 40-60 FPS in test running the ENB.