just got back from HOME DEPOT with ths aluminum!! WOW!!! IT SURE WOULD Have been cheaper to buy one of those extruded or potted cases! BY A LONG SHOT!!! here in my hand is $50 worth of Aluminum angle metal and bars! but when done I should be able to drive a TANK over this box!!! Also homebrew Contest judges will be more impressed that I made the actual box from scratch too! STill hafta score some aluminum sheeting for the side panels Time to start measuring and cutting. I can make the box without the Xfmr in hand The bar that will support the XFMR is 1/8 inch thick and for about a 5 inch run should hold that XFMR up fine. HEY ITS MEMORIAL DAY!! I am here at work, but not working on work junk!!!