I actually purchased a set and had them painted... I was on the fence like you and ultimately decided not to install them. I think the Sport looks better with the "clean" fender wells. If the truck was lifted with larger tires, then maybe... otherwise, no.
MODS: Magnaflow Cat-Back Exhaust, Extang Solid-Fold Tonneau, Mopar Side Steps, Mopar Mats & Bedliner, AMP Bed XTender, Daystar 2.5 Leveling Kit, Fuel Pump Black Wheels (20x9/+1 Offset), Toyo Open Country Extreme A/T Tires (35/12.50/20), Lund Fender Flares, Aries Stealth Bull Bar, & KC SlimLites.