How do i Back up "apt-get dist-upgrade" downloads
I wasted 600mb+ on downloading updates how can i back them up and reinstall them(offline) on a new BT installation

My 3g dev disconnected 2 times during a critical download of flash player and opon reboot BT got Broken into lil bits all over my floor....
This is after 1 hour of downloading 300mb and this happened Twice
I hate my isp

I don't have a lot of gap to waste here so please help