I have found from years of experience the best way to go is not a case but a nice folding board with all your stuff mounted flat under panels of hard plastic. the deal is you make it stand up on your merch table like you would stand up a book. Easy to make with a little thought, very little money, and one trip to any home supply store (local hardware, lowes, home depot yadda yadda). If you want more specific details send me a PM.