nvidia-glx:
  Installed: 1:1.0.9631+2.6.20.5-16.28
  Candidate: 1:1.0.9631+2.6.20.5-16.28
  Version table:
 *** 1:1.0.9631+2.6.20.5-16.28 0
        500 http://archive.ubuntu.com feisty-security/restricted Packages
        100 /var/lib/dpkg/status
     1:1.0.9631+2.6.20.5-15.20 0
        500 http://archive.ubuntu.com feisty/restricted Packages