Just did some test, used the CFG i made then(#1)and then the one created by this site(#2) which is Jesus's editor, http://www.venetubo.com/fsx.html

Unlimited frame setting, Default 737, Fair weather, at KIND As reported these are the Average FPS!!!!

Sitting on ground

#1) 125

#2) 155

Flying at 250kts 3500ft

#1) 180

#2) 205!!!!

The sim is insanely smooth but remember, i have NO add-on's installed yet. This is stock scenery and clouds. Still though i am very pleased.
Rob