"not much, but it shows onboard video aint much"
Now lets compare apples & apples. Find a review that compares the nForce IGP-128 to other currently available integrated graphics solutions and it'll kick all their butts.
nVidia was quite clear in saying that the integrated core was based on and would perform similar to the GF2MX.
And as seen
here and
here it does score exactly the same as the GF2MX.
(Note the score in 1024x768 Q3 GF2MX=55.6FPS vs IGP-128=52.8)
Thorin