If you're doing a lot of body work with air sanders and/or painting with HVLP spray guns, all the tank capacity you can get is just barely enough. When I ran a couple of body shops, we were always running short on air volume- - - -not necessarily pressure.

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!