If you're "feeling the difference afterward" you might want to check alignments. Properly balanced tires, properly aligned and inflated, should wear properly, and not give you a difference to feel after 5000 miles, especially if you are rotating them. Have you noticed any uneven wear patterns?
'10 Chrysler T&C ex. Jucy Campervan
8/15 Quebec, Maritime Canada & New England -- 9-10/15 Florida, Gulf Coast, & Texas -- 7/16 Smoky Mountains and Biltmore Estate -- 8/16 Wisconsin and the UP, Mackinac Island -- 9/18 Yellowstone