nVidiaのドライバの新しいのが出たよ。
http://www.nvidia.com/object/freebsd_1.0-9629.html

FreeBSD Display Driver ? x86

Version: 1.0-9629
Operating System: FreeBSD-x86
Release Date: November 7, 2006

Release Highlights:

* Added initial support for GLX_EXT_texture_from_pixmap.
* Added new "Display Configuration" page in nvidia-settings.
* Improved workstation OpenGL performance in Xinerama.
* Added support for NVIDIA Quadro Plex.
* Improved X driver error recovery.
* Improved workstation overlay performance.
* Fixed DFP scaling support.
* Added support for OpenGL 2.1.
* Added new "TwinViewXineramaInfoOrder" X configuration option to control the order of display devices when in TwinView.
* Fixed some problems related to TV Out.
* Added new NVIDIA logo artwork to nvidia-settings and X driver splashscreen; the X driver splashscreen can now be configured with the new "LogoPath" X configuration option.