Hi-de-hi Popey floated an idea a little while back about putting the entire Ubuntu Repository onto a portable HD for use by those who don't have the ability to connect to the Internet or only over dial-up.
Just to bring to everyones attention that the apt-get series of commands appears to have been enhanced to do exactly this apt-get mirror for example. E -- ubuntu-uk@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk https://wiki.kubuntu.org/UKTeam/