I used to have a box "spray booth" also until a buddy made me an onpurpose one out of masonite. I have tried both eastwood and harbor freight guns and really like the hf one better. My eastwood gun broke at the junction of where the metal meets the plastic barrel and even JB weld has separated here also. The Harbor Freight setup has a foot pedal switch which is really well liked as I even made a mount for the eastwood button so I can use it as a foot button. One of the few cases where harbor freight tools don't suck and eastwood's do.