On a project yet to be introduced to you dear reader, I have been spray painting. Since the model is a largish boat I have been using a red oxide car spray paint.
When I sprayed the hull of the 40-year old boat, I used my airbrush - a Badger 200. This takes forever as the airbrush, while a fine tool for most of the work I do, simply doesn't chuck out enough paint for anything a metre long.
It's always been a rule that airbrushes are the "proper" tool with aerosol cans from Halfords being a poor second only used by amateurs. Wrong. Airbrushes are great but they aren't a panacea. Pick the right tool for the job regardless of what the "experts" tell you.