Recommendations for APT caching software for Ubuntu?

Hi folks, What do folks feel works well for them for a running a local apt-cache? I want to avoid having to download apt packages for my various Kubuntu machines for speed rather than quota reasons. cheers! Chris -- Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC This email may come with a PGP signature as a file. Do not panic. For more info see: http://en.wikipedia.org/wiki/OpenPGP