DIY Launch Controller

Did you ever want to build your own?
After getting off the ground with my camera tripod launcher and Adeptor HERE
I thought it'd be interesting to make my own (more professional look and feel) launch controller.

From the simple (plastic housing) -
http://home.earthlink.net/~rbogerjr/

To the more complex (metal housing) -http://www.robotroom.com/Model-Rocket-Launch-Controller.html
This one is a great piece of work!