You upgraded from a Geforce 3 to a Geforce 4 Ti4600 and you dont know about FSAA?
FSAA: Full Scene Anti Aliasing.
4xS: Four times FSAA with SuperSampling
It will get rid of the jagged edges in 3D objects. It will also get rid of terrain shimmering.
Right-click on the desktop and select
PROPERTIES..
Select
SETTINGS..
Select
ADVANCED(assuming you have the reference nvidia drivers)
Select
Geforce 4 Ti4600Select
ADDITIONAL PROPERTIESSelect
3D ANTI-ALIASING SETTINGSNow choose
4xS (Direct3D Only) and go play Aces High. DROOL at the visual difference...
If its too slow (I doubt it) the lower the FSAA setting to 4x or Quincux. Report your results here.