#  apt-cache policy wine
wine:
  Installed: (none)
  Candidate: 1.0.1-3.1
  Version table:
     1.0.1-3.1 0
        500 http://cdn.debian.net/debian/ squeeze/main amd64 Packages
        100 /var/lib/dpkg/status
N: Ignoring file 'google-earth.list.save' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'google-chrome.list.save' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension