Comfort food is an art & barbecue’s an expressive medium. You want to balance the substance of fat with a tang of spice for that feeling of mellow satisfaction. Like all things simple the trick is to limit your selection and quantity of spices so that the tastes are distinct and complimentary.
All the spice selections are to my taste, so you can substitute whatever appeals to you. Fashion sense aside, spice is an accessory so try to limit variety–salt, pepper and a few specific flavors–in exchange soothing familiarity.