Some general hints that can be time and money savers: * when you lay out the CS (which you prolly do first) always use a grid (preferrably 100mil as that's what you'd have on veroboard [make sure to align the pins of the components]) , that'll make it soo much easier to not mess up spacing/positioning between the panel and the CS pcb(s) * when you think you like the layout, print it out 1:1, put it in front of yourself, put the knobs and buttons on it (if you got em already) and pretend to work with it - this helps a lot to make sure the spacing and positioning is good * do show some layouts, maybe someone has a good idea or sees sth that you overlooked - happens to me all the time