dpkg -l | grep "nvidia"

im@im:~$ dpkg -l | grep "nvidia"
ii  nvidia-173-modaliases                 173.14.22-0ubuntu11                             Modaliases for the NVIDIA binary X.Org drive
ii  nvidia-185-modaliases                 195.36.24-0ubuntu1~10.04                        Transitional package for nvidia-185-modalias
ii  nvidia-96-modaliases                  96.43.17-0ubuntu1                               Modaliases for the NVIDIA binary X.Org drive
ii  nvidia-common                         0.2.23                                          Find obsolete NVIDIA drivers
ii  nvidia-current-modaliases             195.36.24-0ubuntu1~10.04                        Modaliases for the NVIDIA binary X.Org drive
im@im:~$