Ooh, an electronics box, neat. Our team put all of our electronics in a box last year too:
http://www.chiefdelphi.com/media/photos/26295
It looked really awesome because everything was all tight and compact in a removable box, but changing things became very difficult because we had to take the whole box out of the robot to fix or change anything. Don't forget to mount the RC so the lights are visible....we mounted the front towards one of the outside faces of our box using standoffs, so you could see it pretty well, but when you wanted to add any PWM cables, you had to unscrew the RC.
Post pictures when you're done!