The great debate
Gotta admit that back in my younger and stupider days I did have air shocks on my original '69 340 Swinger just to get the "look". Fortunately, I quickly learned the benefits of the Mopar suspension - as described by StrokerScamp - and got rid of the air shocks 'bandaid'. Changed over to Mopar Superstock springs and an adjustable pinion snubber to plant the rear tires. They're simple but they work.
Don't forget to reinforce your floor above the pinion snubber if you decide to go this way.