I'm currently running my Supergun using a desktop PC ATX power supply which is noisy (fan) and huge. Has anyone found a reliable laptop style power supply with an ATX connector? I found this one on Google but no idea if it's any good for what I want (CPS1 and CPS2 games) :
https://www.sparkfun.com/products/15664
https://www.sparkfun.com/products/15664