To help, use acyrlic paints, they dry to the touch within an hour, and usually stop being tacky enough to keep dust after about 15 minutes or so.(at least if you brush paint, I have no idea how long it is for you airbrushers...) This will VASTLY lower the amount of dust! After that, if you are still having problems with dust, I usually either sand or look for a way to hide the dust(IE: Pray it's where a decal has to go!). But yeah, a shoebox would be a good idea.