Im running it on a laptop,
core 2 duo 2ghz, 4mb cache
2 gig ram
geforce 8600m gt graphics
7200rpm hard drive
Ive tried different setting in pref -> performance -> advanced, such as turning vertical sync on and off, also forcing it on and of in the nvidia control panel.
There seems to be so many new features in cs 4 so I really want to run it, but if there is no solution....
Hope anyone has an idea!
PS, I have no problem in CS3!