Where did you get the glx module? You didn't mention installing the nvidia-glx package.
If nothing else works, you might try switching to Xorg (I know it's not in Sarge, but neither is 2.6.14 or the new nVidia drivers. :) -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]