Im debating tearing out my small front plywood deck and rebuilding it out of alluminum over this coming winter since all the carpet is ready to be replaced. I work in a sheetmetal fabrication shop so making the floor and lids wont be much of a problem, but what should I use for the actual storage insert? It doesnt seam like alluminum boxes would be the way to go. If any of you have done such a project what did you make yours out of.Do they make some kind of plastic drop in compartment?