I have 2 of these:
http://www.sears.com/sr/javasr/produ...cemldffidfjm.0
I have one for my electric cars and one for my nitro. They are really great. Big stuff can go in the bottom, tools on the tool tray along with a little cut off section for servos and RX's and other delicate stuff. Then the lid has 2 little organizer things on the top. It also comes in a 20" long version on page 1 of their tool boxes.