Reinstall my favorites packages

[Johann-1.0]

Hello. I need help because I'm tired of installing the same packages everytime I reinstall Ubuntu in another PC...so I want to know how can I install the packages I have installed in this computer to another...with just a CD or DVD.
Thanks in advance.

[x33a]

try remastersys.

http://en.wikipedia.org/wiki/Remastersys