So I decided to switch over to Linux on my desktop system (already have a server running Slackware 10.2, now I put it on my primary system). So I configure xorg.conf with my graphics card (GeForce 6800) with then newest nvidia driver. I use the settings listed in the manual for the LCD1860NX

Resolution 1280 x 1024 at 60 Hz
HorizSync 31.0 - 82.0
VertRefresh 55.0 - 85.0

I start up KDE, all is fine for awhile, and then randomly (no specific amount of time each time it happens) the screen gets completely messed up. Generally it starts as a bright neon pink color and I get what amounts to be artifacting all over the desktop. Green/Pink, double images, sometimes just lines, etc. Eventually it just hangs. Could this be a driver issue too? Should I try rolling back my nvidia drivers, and if so, does anyone have a version they'd recommend? Any help would be appreciated! Thanks!